Research ArticleArticle
Assessing Elementary Lesions in Gout by Ultrasound: Results of an OMERACT Patient-based Agreement and Reliability Exercise
Lene Terslev, Marwin Gutierrez, Robin Christensen, Peter V. Balint, George A. Bruyn, Andrea Delle Sedie, Emilio Filippucci, Jesus Garrido, Hilde B. Hammer, Annamaria Iagnocco, David Kane, Gurjit S. Kaeley, Helen Keen, Peter Mandl, Esperanza Naredo, Carlos Pineda, Bernd Schicke, Ralf Thiele, Maria Antonietta D’Agostino and Wolfgang A. Schmidt on behalf of the OMERACT US Gout Task Force
The Journal of Rheumatology October 2015, jrheum.150366; DOI: https://doi.org/10.3899/jrheum.150366
Lene Terslev
From the Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital, Glostrup; Musculoskeletal Statistics Unit, the Parker Institute, Copenhagen University Hospital, Bispebjerg and Frederiksberg, Denmark; Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche, Ancona; Rheumatology Unit, University of Pisa, Pisa; Department of Rheumatology, Sapienza Università di Roma, Rome, Italy; Third Rheumatology Department, National Institute of Rheumatology and Physiotherapy, Budapest, Hungary; Department of Rheumatology, MC Groep, Lelystad, the Netherlands; Social Psychology and Methodology Department, Faculty of Psychology, Universidad Madrid; Department of Rheumatology, Hospital General Universitario Gregorio Marañón, Madrid, Spain; Department of Rheumatology, Diakonhjemmet Hospital, Oslo, Norway; Department of Rheumatology, Trinity College, Dublin, Ireland; Department of Rheumatology, University of Florida, Gainesville, Florida; Department of Rheumatology, University of Rochester, Rochester, New York, USA; Department of Rheumatology, Royal Perth Hospital, Perth, Australia; Division of Rheumatology, Third Department of Internal Medicine, University of Vienna, Vienna, Austria; National Institute of Rehabilitation, Mexico City, Mexico; Department of Statistics, Tumor-Zentrum Berlin e.V.; Immanuel Krankenhaus Berlin, Medical Center for Rheumatology, Berlin-Buch, Berlin, Germany; Rheumatology Department, Hôpital Ambroise Paré, INSERM U1173, Laboratoire d’Excellence INFLAMEX, Paris; Université de Versailles Saint-Quentin-en-Yvelines, Versailles, France. Financial support from Outcome Measures in Rheumatology Clinical Trials (OMERACT). LT is funded by the Danish Rheumatism Association and RC is funded through grants from the Oak Foundation. L. Terslev, MD, PhD, Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital; M. Gutierrez, MD, Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche; R. Christensen, Senior Biostatistician, MSc, PhD, Musculoskeletal Statistics Unit, the Parker Institute, Copenhagen University Hospital; P.V. Balint, MD, PhD, Third Rheumatology Department, National Institute of Rheumatology and Physiotherapy; G.A. Bruyn, MD, PhD, Department of Rheumatology, MC Groep; A. Delle Sedie, MD, Rheumatology Unit, University of Pisa; E. Filippucci, MD, Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche; J. Garrido, Social Psychology and Methodology Department, Faculty of Psychology, Universidad Madrid; H.B. Hammer, MD, PhD, Department of Rheumatology, Diakonhjemmet Hospital; A. Iagnocco, MD, PhD, Department of Rheumatology, Sapienza Università di Roma; D. Kane, MD, Department of Rheumatology, Trinity College; G.S. Kaeley, MD, Department of Rheumatology, University of Florida; H. Keen, MD, Department of Rheumatology, Royal Perth Hospital; P. Mandl, MD, PhD, Division of Rheumatology, Third Department of Internal Medicine, University of Vienna; E. Naredo, MD, Department of Rheumatology, Hospital General Universitario Gregorio Marañón; C. Pineda, MD, National Institute of Rehabilitation; B. Schicke, Statistician, Department of Statistics, Tumor-Zentrum Berlin e.V.; R. Thiele, MD, Department of Rheumatology, University of Rochester; M.A. D’Agostino, MD, PhD, APHP, Rheumatology Department, Hôpital Ambroise Paré, INSERM U1173, Laboratoire d’Excellence INFLAMEX, and Université de Versailles Saint-Quentin-en-Yvelines; W.A. Schmidt, MD, Immanuel Krankenhaus Berlin, Medical Center for Rheumatology. Address correspondence to Dr. L. Terslev, Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital, Nordre Ringvej 57, Glostrup, 2650, Denmark. E-mail: Lene.terslev.01@regionh.dk. Accepted for publication July 23, 2015.
Marwin Gutierrez
From the Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital, Glostrup; Musculoskeletal Statistics Unit, the Parker Institute, Copenhagen University Hospital, Bispebjerg and Frederiksberg, Denmark; Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche, Ancona; Rheumatology Unit, University of Pisa, Pisa; Department of Rheumatology, Sapienza Università di Roma, Rome, Italy; Third Rheumatology Department, National Institute of Rheumatology and Physiotherapy, Budapest, Hungary; Department of Rheumatology, MC Groep, Lelystad, the Netherlands; Social Psychology and Methodology Department, Faculty of Psychology, Universidad Madrid; Department of Rheumatology, Hospital General Universitario Gregorio Marañón, Madrid, Spain; Department of Rheumatology, Diakonhjemmet Hospital, Oslo, Norway; Department of Rheumatology, Trinity College, Dublin, Ireland; Department of Rheumatology, University of Florida, Gainesville, Florida; Department of Rheumatology, University of Rochester, Rochester, New York, USA; Department of Rheumatology, Royal Perth Hospital, Perth, Australia; Division of Rheumatology, Third Department of Internal Medicine, University of Vienna, Vienna, Austria; National Institute of Rehabilitation, Mexico City, Mexico; Department of Statistics, Tumor-Zentrum Berlin e.V.; Immanuel Krankenhaus Berlin, Medical Center for Rheumatology, Berlin-Buch, Berlin, Germany; Rheumatology Department, Hôpital Ambroise Paré, INSERM U1173, Laboratoire d’Excellence INFLAMEX, Paris; Université de Versailles Saint-Quentin-en-Yvelines, Versailles, France. Financial support from Outcome Measures in Rheumatology Clinical Trials (OMERACT). LT is funded by the Danish Rheumatism Association and RC is funded through grants from the Oak Foundation. L. Terslev, MD, PhD, Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital; M. Gutierrez, MD, Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche; R. Christensen, Senior Biostatistician, MSc, PhD, Musculoskeletal Statistics Unit, the Parker Institute, Copenhagen University Hospital; P.V. Balint, MD, PhD, Third Rheumatology Department, National Institute of Rheumatology and Physiotherapy; G.A. Bruyn, MD, PhD, Department of Rheumatology, MC Groep; A. Delle Sedie, MD, Rheumatology Unit, University of Pisa; E. Filippucci, MD, Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche; J. Garrido, Social Psychology and Methodology Department, Faculty of Psychology, Universidad Madrid; H.B. Hammer, MD, PhD, Department of Rheumatology, Diakonhjemmet Hospital; A. Iagnocco, MD, PhD, Department of Rheumatology, Sapienza Università di Roma; D. Kane, MD, Department of Rheumatology, Trinity College; G.S. Kaeley, MD, Department of Rheumatology, University of Florida; H. Keen, MD, Department of Rheumatology, Royal Perth Hospital; P. Mandl, MD, PhD, Division of Rheumatology, Third Department of Internal Medicine, University of Vienna; E. Naredo, MD, Department of Rheumatology, Hospital General Universitario Gregorio Marañón; C. Pineda, MD, National Institute of Rehabilitation; B. Schicke, Statistician, Department of Statistics, Tumor-Zentrum Berlin e.V.; R. Thiele, MD, Department of Rheumatology, University of Rochester; M.A. D’Agostino, MD, PhD, APHP, Rheumatology Department, Hôpital Ambroise Paré, INSERM U1173, Laboratoire d’Excellence INFLAMEX, and Université de Versailles Saint-Quentin-en-Yvelines; W.A. Schmidt, MD, Immanuel Krankenhaus Berlin, Medical Center for Rheumatology. Address correspondence to Dr. L. Terslev, Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital, Nordre Ringvej 57, Glostrup, 2650, Denmark. E-mail: Lene.terslev.01@regionh.dk. Accepted for publication July 23, 2015.
Robin Christensen
From the Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital, Glostrup; Musculoskeletal Statistics Unit, the Parker Institute, Copenhagen University Hospital, Bispebjerg and Frederiksberg, Denmark; Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche, Ancona; Rheumatology Unit, University of Pisa, Pisa; Department of Rheumatology, Sapienza Università di Roma, Rome, Italy; Third Rheumatology Department, National Institute of Rheumatology and Physiotherapy, Budapest, Hungary; Department of Rheumatology, MC Groep, Lelystad, the Netherlands; Social Psychology and Methodology Department, Faculty of Psychology, Universidad Madrid; Department of Rheumatology, Hospital General Universitario Gregorio Marañón, Madrid, Spain; Department of Rheumatology, Diakonhjemmet Hospital, Oslo, Norway; Department of Rheumatology, Trinity College, Dublin, Ireland; Department of Rheumatology, University of Florida, Gainesville, Florida; Department of Rheumatology, University of Rochester, Rochester, New York, USA; Department of Rheumatology, Royal Perth Hospital, Perth, Australia; Division of Rheumatology, Third Department of Internal Medicine, University of Vienna, Vienna, Austria; National Institute of Rehabilitation, Mexico City, Mexico; Department of Statistics, Tumor-Zentrum Berlin e.V.; Immanuel Krankenhaus Berlin, Medical Center for Rheumatology, Berlin-Buch, Berlin, Germany; Rheumatology Department, Hôpital Ambroise Paré, INSERM U1173, Laboratoire d’Excellence INFLAMEX, Paris; Université de Versailles Saint-Quentin-en-Yvelines, Versailles, France. Financial support from Outcome Measures in Rheumatology Clinical Trials (OMERACT). LT is funded by the Danish Rheumatism Association and RC is funded through grants from the Oak Foundation. L. Terslev, MD, PhD, Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital; M. Gutierrez, MD, Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche; R. Christensen, Senior Biostatistician, MSc, PhD, Musculoskeletal Statistics Unit, the Parker Institute, Copenhagen University Hospital; P.V. Balint, MD, PhD, Third Rheumatology Department, National Institute of Rheumatology and Physiotherapy; G.A. Bruyn, MD, PhD, Department of Rheumatology, MC Groep; A. Delle Sedie, MD, Rheumatology Unit, University of Pisa; E. Filippucci, MD, Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche; J. Garrido, Social Psychology and Methodology Department, Faculty of Psychology, Universidad Madrid; H.B. Hammer, MD, PhD, Department of Rheumatology, Diakonhjemmet Hospital; A. Iagnocco, MD, PhD, Department of Rheumatology, Sapienza Università di Roma; D. Kane, MD, Department of Rheumatology, Trinity College; G.S. Kaeley, MD, Department of Rheumatology, University of Florida; H. Keen, MD, Department of Rheumatology, Royal Perth Hospital; P. Mandl, MD, PhD, Division of Rheumatology, Third Department of Internal Medicine, University of Vienna; E. Naredo, MD, Department of Rheumatology, Hospital General Universitario Gregorio Marañón; C. Pineda, MD, National Institute of Rehabilitation; B. Schicke, Statistician, Department of Statistics, Tumor-Zentrum Berlin e.V.; R. Thiele, MD, Department of Rheumatology, University of Rochester; M.A. D’Agostino, MD, PhD, APHP, Rheumatology Department, Hôpital Ambroise Paré, INSERM U1173, Laboratoire d’Excellence INFLAMEX, and Université de Versailles Saint-Quentin-en-Yvelines; W.A. Schmidt, MD, Immanuel Krankenhaus Berlin, Medical Center for Rheumatology. Address correspondence to Dr. L. Terslev, Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital, Nordre Ringvej 57, Glostrup, 2650, Denmark. E-mail: Lene.terslev.01@regionh.dk. Accepted for publication July 23, 2015.
Peter V. Balint
From the Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital, Glostrup; Musculoskeletal Statistics Unit, the Parker Institute, Copenhagen University Hospital, Bispebjerg and Frederiksberg, Denmark; Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche, Ancona; Rheumatology Unit, University of Pisa, Pisa; Department of Rheumatology, Sapienza Università di Roma, Rome, Italy; Third Rheumatology Department, National Institute of Rheumatology and Physiotherapy, Budapest, Hungary; Department of Rheumatology, MC Groep, Lelystad, the Netherlands; Social Psychology and Methodology Department, Faculty of Psychology, Universidad Madrid; Department of Rheumatology, Hospital General Universitario Gregorio Marañón, Madrid, Spain; Department of Rheumatology, Diakonhjemmet Hospital, Oslo, Norway; Department of Rheumatology, Trinity College, Dublin, Ireland; Department of Rheumatology, University of Florida, Gainesville, Florida; Department of Rheumatology, University of Rochester, Rochester, New York, USA; Department of Rheumatology, Royal Perth Hospital, Perth, Australia; Division of Rheumatology, Third Department of Internal Medicine, University of Vienna, Vienna, Austria; National Institute of Rehabilitation, Mexico City, Mexico; Department of Statistics, Tumor-Zentrum Berlin e.V.; Immanuel Krankenhaus Berlin, Medical Center for Rheumatology, Berlin-Buch, Berlin, Germany; Rheumatology Department, Hôpital Ambroise Paré, INSERM U1173, Laboratoire d’Excellence INFLAMEX, Paris; Université de Versailles Saint-Quentin-en-Yvelines, Versailles, France. Financial support from Outcome Measures in Rheumatology Clinical Trials (OMERACT). LT is funded by the Danish Rheumatism Association and RC is funded through grants from the Oak Foundation. L. Terslev, MD, PhD, Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital; M. Gutierrez, MD, Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche; R. Christensen, Senior Biostatistician, MSc, PhD, Musculoskeletal Statistics Unit, the Parker Institute, Copenhagen University Hospital; P.V. Balint, MD, PhD, Third Rheumatology Department, National Institute of Rheumatology and Physiotherapy; G.A. Bruyn, MD, PhD, Department of Rheumatology, MC Groep; A. Delle Sedie, MD, Rheumatology Unit, University of Pisa; E. Filippucci, MD, Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche; J. Garrido, Social Psychology and Methodology Department, Faculty of Psychology, Universidad Madrid; H.B. Hammer, MD, PhD, Department of Rheumatology, Diakonhjemmet Hospital; A. Iagnocco, MD, PhD, Department of Rheumatology, Sapienza Università di Roma; D. Kane, MD, Department of Rheumatology, Trinity College; G.S. Kaeley, MD, Department of Rheumatology, University of Florida; H. Keen, MD, Department of Rheumatology, Royal Perth Hospital; P. Mandl, MD, PhD, Division of Rheumatology, Third Department of Internal Medicine, University of Vienna; E. Naredo, MD, Department of Rheumatology, Hospital General Universitario Gregorio Marañón; C. Pineda, MD, National Institute of Rehabilitation; B. Schicke, Statistician, Department of Statistics, Tumor-Zentrum Berlin e.V.; R. Thiele, MD, Department of Rheumatology, University of Rochester; M.A. D’Agostino, MD, PhD, APHP, Rheumatology Department, Hôpital Ambroise Paré, INSERM U1173, Laboratoire d’Excellence INFLAMEX, and Université de Versailles Saint-Quentin-en-Yvelines; W.A. Schmidt, MD, Immanuel Krankenhaus Berlin, Medical Center for Rheumatology. Address correspondence to Dr. L. Terslev, Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital, Nordre Ringvej 57, Glostrup, 2650, Denmark. E-mail: Lene.terslev.01@regionh.dk. Accepted for publication July 23, 2015.
George A. Bruyn
From the Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital, Glostrup; Musculoskeletal Statistics Unit, the Parker Institute, Copenhagen University Hospital, Bispebjerg and Frederiksberg, Denmark; Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche, Ancona; Rheumatology Unit, University of Pisa, Pisa; Department of Rheumatology, Sapienza Università di Roma, Rome, Italy; Third Rheumatology Department, National Institute of Rheumatology and Physiotherapy, Budapest, Hungary; Department of Rheumatology, MC Groep, Lelystad, the Netherlands; Social Psychology and Methodology Department, Faculty of Psychology, Universidad Madrid; Department of Rheumatology, Hospital General Universitario Gregorio Marañón, Madrid, Spain; Department of Rheumatology, Diakonhjemmet Hospital, Oslo, Norway; Department of Rheumatology, Trinity College, Dublin, Ireland; Department of Rheumatology, University of Florida, Gainesville, Florida; Department of Rheumatology, University of Rochester, Rochester, New York, USA; Department of Rheumatology, Royal Perth Hospital, Perth, Australia; Division of Rheumatology, Third Department of Internal Medicine, University of Vienna, Vienna, Austria; National Institute of Rehabilitation, Mexico City, Mexico; Department of Statistics, Tumor-Zentrum Berlin e.V.; Immanuel Krankenhaus Berlin, Medical Center for Rheumatology, Berlin-Buch, Berlin, Germany; Rheumatology Department, Hôpital Ambroise Paré, INSERM U1173, Laboratoire d’Excellence INFLAMEX, Paris; Université de Versailles Saint-Quentin-en-Yvelines, Versailles, France. Financial support from Outcome Measures in Rheumatology Clinical Trials (OMERACT). LT is funded by the Danish Rheumatism Association and RC is funded through grants from the Oak Foundation. L. Terslev, MD, PhD, Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital; M. Gutierrez, MD, Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche; R. Christensen, Senior Biostatistician, MSc, PhD, Musculoskeletal Statistics Unit, the Parker Institute, Copenhagen University Hospital; P.V. Balint, MD, PhD, Third Rheumatology Department, National Institute of Rheumatology and Physiotherapy; G.A. Bruyn, MD, PhD, Department of Rheumatology, MC Groep; A. Delle Sedie, MD, Rheumatology Unit, University of Pisa; E. Filippucci, MD, Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche; J. Garrido, Social Psychology and Methodology Department, Faculty of Psychology, Universidad Madrid; H.B. Hammer, MD, PhD, Department of Rheumatology, Diakonhjemmet Hospital; A. Iagnocco, MD, PhD, Department of Rheumatology, Sapienza Università di Roma; D. Kane, MD, Department of Rheumatology, Trinity College; G.S. Kaeley, MD, Department of Rheumatology, University of Florida; H. Keen, MD, Department of Rheumatology, Royal Perth Hospital; P. Mandl, MD, PhD, Division of Rheumatology, Third Department of Internal Medicine, University of Vienna; E. Naredo, MD, Department of Rheumatology, Hospital General Universitario Gregorio Marañón; C. Pineda, MD, National Institute of Rehabilitation; B. Schicke, Statistician, Department of Statistics, Tumor-Zentrum Berlin e.V.; R. Thiele, MD, Department of Rheumatology, University of Rochester; M.A. D’Agostino, MD, PhD, APHP, Rheumatology Department, Hôpital Ambroise Paré, INSERM U1173, Laboratoire d’Excellence INFLAMEX, and Université de Versailles Saint-Quentin-en-Yvelines; W.A. Schmidt, MD, Immanuel Krankenhaus Berlin, Medical Center for Rheumatology. Address correspondence to Dr. L. Terslev, Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital, Nordre Ringvej 57, Glostrup, 2650, Denmark. E-mail: Lene.terslev.01@regionh.dk. Accepted for publication July 23, 2015.
Andrea Delle Sedie
From the Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital, Glostrup; Musculoskeletal Statistics Unit, the Parker Institute, Copenhagen University Hospital, Bispebjerg and Frederiksberg, Denmark; Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche, Ancona; Rheumatology Unit, University of Pisa, Pisa; Department of Rheumatology, Sapienza Università di Roma, Rome, Italy; Third Rheumatology Department, National Institute of Rheumatology and Physiotherapy, Budapest, Hungary; Department of Rheumatology, MC Groep, Lelystad, the Netherlands; Social Psychology and Methodology Department, Faculty of Psychology, Universidad Madrid; Department of Rheumatology, Hospital General Universitario Gregorio Marañón, Madrid, Spain; Department of Rheumatology, Diakonhjemmet Hospital, Oslo, Norway; Department of Rheumatology, Trinity College, Dublin, Ireland; Department of Rheumatology, University of Florida, Gainesville, Florida; Department of Rheumatology, University of Rochester, Rochester, New York, USA; Department of Rheumatology, Royal Perth Hospital, Perth, Australia; Division of Rheumatology, Third Department of Internal Medicine, University of Vienna, Vienna, Austria; National Institute of Rehabilitation, Mexico City, Mexico; Department of Statistics, Tumor-Zentrum Berlin e.V.; Immanuel Krankenhaus Berlin, Medical Center for Rheumatology, Berlin-Buch, Berlin, Germany; Rheumatology Department, Hôpital Ambroise Paré, INSERM U1173, Laboratoire d’Excellence INFLAMEX, Paris; Université de Versailles Saint-Quentin-en-Yvelines, Versailles, France. Financial support from Outcome Measures in Rheumatology Clinical Trials (OMERACT). LT is funded by the Danish Rheumatism Association and RC is funded through grants from the Oak Foundation. L. Terslev, MD, PhD, Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital; M. Gutierrez, MD, Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche; R. Christensen, Senior Biostatistician, MSc, PhD, Musculoskeletal Statistics Unit, the Parker Institute, Copenhagen University Hospital; P.V. Balint, MD, PhD, Third Rheumatology Department, National Institute of Rheumatology and Physiotherapy; G.A. Bruyn, MD, PhD, Department of Rheumatology, MC Groep; A. Delle Sedie, MD, Rheumatology Unit, University of Pisa; E. Filippucci, MD, Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche; J. Garrido, Social Psychology and Methodology Department, Faculty of Psychology, Universidad Madrid; H.B. Hammer, MD, PhD, Department of Rheumatology, Diakonhjemmet Hospital; A. Iagnocco, MD, PhD, Department of Rheumatology, Sapienza Università di Roma; D. Kane, MD, Department of Rheumatology, Trinity College; G.S. Kaeley, MD, Department of Rheumatology, University of Florida; H. Keen, MD, Department of Rheumatology, Royal Perth Hospital; P. Mandl, MD, PhD, Division of Rheumatology, Third Department of Internal Medicine, University of Vienna; E. Naredo, MD, Department of Rheumatology, Hospital General Universitario Gregorio Marañón; C. Pineda, MD, National Institute of Rehabilitation; B. Schicke, Statistician, Department of Statistics, Tumor-Zentrum Berlin e.V.; R. Thiele, MD, Department of Rheumatology, University of Rochester; M.A. D’Agostino, MD, PhD, APHP, Rheumatology Department, Hôpital Ambroise Paré, INSERM U1173, Laboratoire d’Excellence INFLAMEX, and Université de Versailles Saint-Quentin-en-Yvelines; W.A. Schmidt, MD, Immanuel Krankenhaus Berlin, Medical Center for Rheumatology. Address correspondence to Dr. L. Terslev, Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital, Nordre Ringvej 57, Glostrup, 2650, Denmark. E-mail: Lene.terslev.01@regionh.dk. Accepted for publication July 23, 2015.
Emilio Filippucci
From the Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital, Glostrup; Musculoskeletal Statistics Unit, the Parker Institute, Copenhagen University Hospital, Bispebjerg and Frederiksberg, Denmark; Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche, Ancona; Rheumatology Unit, University of Pisa, Pisa; Department of Rheumatology, Sapienza Università di Roma, Rome, Italy; Third Rheumatology Department, National Institute of Rheumatology and Physiotherapy, Budapest, Hungary; Department of Rheumatology, MC Groep, Lelystad, the Netherlands; Social Psychology and Methodology Department, Faculty of Psychology, Universidad Madrid; Department of Rheumatology, Hospital General Universitario Gregorio Marañón, Madrid, Spain; Department of Rheumatology, Diakonhjemmet Hospital, Oslo, Norway; Department of Rheumatology, Trinity College, Dublin, Ireland; Department of Rheumatology, University of Florida, Gainesville, Florida; Department of Rheumatology, University of Rochester, Rochester, New York, USA; Department of Rheumatology, Royal Perth Hospital, Perth, Australia; Division of Rheumatology, Third Department of Internal Medicine, University of Vienna, Vienna, Austria; National Institute of Rehabilitation, Mexico City, Mexico; Department of Statistics, Tumor-Zentrum Berlin e.V.; Immanuel Krankenhaus Berlin, Medical Center for Rheumatology, Berlin-Buch, Berlin, Germany; Rheumatology Department, Hôpital Ambroise Paré, INSERM U1173, Laboratoire d’Excellence INFLAMEX, Paris; Université de Versailles Saint-Quentin-en-Yvelines, Versailles, France. Financial support from Outcome Measures in Rheumatology Clinical Trials (OMERACT). LT is funded by the Danish Rheumatism Association and RC is funded through grants from the Oak Foundation. L. Terslev, MD, PhD, Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital; M. Gutierrez, MD, Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche; R. Christensen, Senior Biostatistician, MSc, PhD, Musculoskeletal Statistics Unit, the Parker Institute, Copenhagen University Hospital; P.V. Balint, MD, PhD, Third Rheumatology Department, National Institute of Rheumatology and Physiotherapy; G.A. Bruyn, MD, PhD, Department of Rheumatology, MC Groep; A. Delle Sedie, MD, Rheumatology Unit, University of Pisa; E. Filippucci, MD, Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche; J. Garrido, Social Psychology and Methodology Department, Faculty of Psychology, Universidad Madrid; H.B. Hammer, MD, PhD, Department of Rheumatology, Diakonhjemmet Hospital; A. Iagnocco, MD, PhD, Department of Rheumatology, Sapienza Università di Roma; D. Kane, MD, Department of Rheumatology, Trinity College; G.S. Kaeley, MD, Department of Rheumatology, University of Florida; H. Keen, MD, Department of Rheumatology, Royal Perth Hospital; P. Mandl, MD, PhD, Division of Rheumatology, Third Department of Internal Medicine, University of Vienna; E. Naredo, MD, Department of Rheumatology, Hospital General Universitario Gregorio Marañón; C. Pineda, MD, National Institute of Rehabilitation; B. Schicke, Statistician, Department of Statistics, Tumor-Zentrum Berlin e.V.; R. Thiele, MD, Department of Rheumatology, University of Rochester; M.A. D’Agostino, MD, PhD, APHP, Rheumatology Department, Hôpital Ambroise Paré, INSERM U1173, Laboratoire d’Excellence INFLAMEX, and Université de Versailles Saint-Quentin-en-Yvelines; W.A. Schmidt, MD, Immanuel Krankenhaus Berlin, Medical Center for Rheumatology. Address correspondence to Dr. L. Terslev, Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital, Nordre Ringvej 57, Glostrup, 2650, Denmark. E-mail: Lene.terslev.01@regionh.dk. Accepted for publication July 23, 2015.
Jesus Garrido
From the Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital, Glostrup; Musculoskeletal Statistics Unit, the Parker Institute, Copenhagen University Hospital, Bispebjerg and Frederiksberg, Denmark; Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche, Ancona; Rheumatology Unit, University of Pisa, Pisa; Department of Rheumatology, Sapienza Università di Roma, Rome, Italy; Third Rheumatology Department, National Institute of Rheumatology and Physiotherapy, Budapest, Hungary; Department of Rheumatology, MC Groep, Lelystad, the Netherlands; Social Psychology and Methodology Department, Faculty of Psychology, Universidad Madrid; Department of Rheumatology, Hospital General Universitario Gregorio Marañón, Madrid, Spain; Department of Rheumatology, Diakonhjemmet Hospital, Oslo, Norway; Department of Rheumatology, Trinity College, Dublin, Ireland; Department of Rheumatology, University of Florida, Gainesville, Florida; Department of Rheumatology, University of Rochester, Rochester, New York, USA; Department of Rheumatology, Royal Perth Hospital, Perth, Australia; Division of Rheumatology, Third Department of Internal Medicine, University of Vienna, Vienna, Austria; National Institute of Rehabilitation, Mexico City, Mexico; Department of Statistics, Tumor-Zentrum Berlin e.V.; Immanuel Krankenhaus Berlin, Medical Center for Rheumatology, Berlin-Buch, Berlin, Germany; Rheumatology Department, Hôpital Ambroise Paré, INSERM U1173, Laboratoire d’Excellence INFLAMEX, Paris; Université de Versailles Saint-Quentin-en-Yvelines, Versailles, France. Financial support from Outcome Measures in Rheumatology Clinical Trials (OMERACT). LT is funded by the Danish Rheumatism Association and RC is funded through grants from the Oak Foundation. L. Terslev, MD, PhD, Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital; M. Gutierrez, MD, Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche; R. Christensen, Senior Biostatistician, MSc, PhD, Musculoskeletal Statistics Unit, the Parker Institute, Copenhagen University Hospital; P.V. Balint, MD, PhD, Third Rheumatology Department, National Institute of Rheumatology and Physiotherapy; G.A. Bruyn, MD, PhD, Department of Rheumatology, MC Groep; A. Delle Sedie, MD, Rheumatology Unit, University of Pisa; E. Filippucci, MD, Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche; J. Garrido, Social Psychology and Methodology Department, Faculty of Psychology, Universidad Madrid; H.B. Hammer, MD, PhD, Department of Rheumatology, Diakonhjemmet Hospital; A. Iagnocco, MD, PhD, Department of Rheumatology, Sapienza Università di Roma; D. Kane, MD, Department of Rheumatology, Trinity College; G.S. Kaeley, MD, Department of Rheumatology, University of Florida; H. Keen, MD, Department of Rheumatology, Royal Perth Hospital; P. Mandl, MD, PhD, Division of Rheumatology, Third Department of Internal Medicine, University of Vienna; E. Naredo, MD, Department of Rheumatology, Hospital General Universitario Gregorio Marañón; C. Pineda, MD, National Institute of Rehabilitation; B. Schicke, Statistician, Department of Statistics, Tumor-Zentrum Berlin e.V.; R. Thiele, MD, Department of Rheumatology, University of Rochester; M.A. D’Agostino, MD, PhD, APHP, Rheumatology Department, Hôpital Ambroise Paré, INSERM U1173, Laboratoire d’Excellence INFLAMEX, and Université de Versailles Saint-Quentin-en-Yvelines; W.A. Schmidt, MD, Immanuel Krankenhaus Berlin, Medical Center for Rheumatology. Address correspondence to Dr. L. Terslev, Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital, Nordre Ringvej 57, Glostrup, 2650, Denmark. E-mail: Lene.terslev.01@regionh.dk. Accepted for publication July 23, 2015.
Hilde B. Hammer
From the Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital, Glostrup; Musculoskeletal Statistics Unit, the Parker Institute, Copenhagen University Hospital, Bispebjerg and Frederiksberg, Denmark; Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche, Ancona; Rheumatology Unit, University of Pisa, Pisa; Department of Rheumatology, Sapienza Università di Roma, Rome, Italy; Third Rheumatology Department, National Institute of Rheumatology and Physiotherapy, Budapest, Hungary; Department of Rheumatology, MC Groep, Lelystad, the Netherlands; Social Psychology and Methodology Department, Faculty of Psychology, Universidad Madrid; Department of Rheumatology, Hospital General Universitario Gregorio Marañón, Madrid, Spain; Department of Rheumatology, Diakonhjemmet Hospital, Oslo, Norway; Department of Rheumatology, Trinity College, Dublin, Ireland; Department of Rheumatology, University of Florida, Gainesville, Florida; Department of Rheumatology, University of Rochester, Rochester, New York, USA; Department of Rheumatology, Royal Perth Hospital, Perth, Australia; Division of Rheumatology, Third Department of Internal Medicine, University of Vienna, Vienna, Austria; National Institute of Rehabilitation, Mexico City, Mexico; Department of Statistics, Tumor-Zentrum Berlin e.V.; Immanuel Krankenhaus Berlin, Medical Center for Rheumatology, Berlin-Buch, Berlin, Germany; Rheumatology Department, Hôpital Ambroise Paré, INSERM U1173, Laboratoire d’Excellence INFLAMEX, Paris; Université de Versailles Saint-Quentin-en-Yvelines, Versailles, France. Financial support from Outcome Measures in Rheumatology Clinical Trials (OMERACT). LT is funded by the Danish Rheumatism Association and RC is funded through grants from the Oak Foundation. L. Terslev, MD, PhD, Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital; M. Gutierrez, MD, Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche; R. Christensen, Senior Biostatistician, MSc, PhD, Musculoskeletal Statistics Unit, the Parker Institute, Copenhagen University Hospital; P.V. Balint, MD, PhD, Third Rheumatology Department, National Institute of Rheumatology and Physiotherapy; G.A. Bruyn, MD, PhD, Department of Rheumatology, MC Groep; A. Delle Sedie, MD, Rheumatology Unit, University of Pisa; E. Filippucci, MD, Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche; J. Garrido, Social Psychology and Methodology Department, Faculty of Psychology, Universidad Madrid; H.B. Hammer, MD, PhD, Department of Rheumatology, Diakonhjemmet Hospital; A. Iagnocco, MD, PhD, Department of Rheumatology, Sapienza Università di Roma; D. Kane, MD, Department of Rheumatology, Trinity College; G.S. Kaeley, MD, Department of Rheumatology, University of Florida; H. Keen, MD, Department of Rheumatology, Royal Perth Hospital; P. Mandl, MD, PhD, Division of Rheumatology, Third Department of Internal Medicine, University of Vienna; E. Naredo, MD, Department of Rheumatology, Hospital General Universitario Gregorio Marañón; C. Pineda, MD, National Institute of Rehabilitation; B. Schicke, Statistician, Department of Statistics, Tumor-Zentrum Berlin e.V.; R. Thiele, MD, Department of Rheumatology, University of Rochester; M.A. D’Agostino, MD, PhD, APHP, Rheumatology Department, Hôpital Ambroise Paré, INSERM U1173, Laboratoire d’Excellence INFLAMEX, and Université de Versailles Saint-Quentin-en-Yvelines; W.A. Schmidt, MD, Immanuel Krankenhaus Berlin, Medical Center for Rheumatology. Address correspondence to Dr. L. Terslev, Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital, Nordre Ringvej 57, Glostrup, 2650, Denmark. E-mail: Lene.terslev.01@regionh.dk. Accepted for publication July 23, 2015.
Annamaria Iagnocco
From the Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital, Glostrup; Musculoskeletal Statistics Unit, the Parker Institute, Copenhagen University Hospital, Bispebjerg and Frederiksberg, Denmark; Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche, Ancona; Rheumatology Unit, University of Pisa, Pisa; Department of Rheumatology, Sapienza Università di Roma, Rome, Italy; Third Rheumatology Department, National Institute of Rheumatology and Physiotherapy, Budapest, Hungary; Department of Rheumatology, MC Groep, Lelystad, the Netherlands; Social Psychology and Methodology Department, Faculty of Psychology, Universidad Madrid; Department of Rheumatology, Hospital General Universitario Gregorio Marañón, Madrid, Spain; Department of Rheumatology, Diakonhjemmet Hospital, Oslo, Norway; Department of Rheumatology, Trinity College, Dublin, Ireland; Department of Rheumatology, University of Florida, Gainesville, Florida; Department of Rheumatology, University of Rochester, Rochester, New York, USA; Department of Rheumatology, Royal Perth Hospital, Perth, Australia; Division of Rheumatology, Third Department of Internal Medicine, University of Vienna, Vienna, Austria; National Institute of Rehabilitation, Mexico City, Mexico; Department of Statistics, Tumor-Zentrum Berlin e.V.; Immanuel Krankenhaus Berlin, Medical Center for Rheumatology, Berlin-Buch, Berlin, Germany; Rheumatology Department, Hôpital Ambroise Paré, INSERM U1173, Laboratoire d’Excellence INFLAMEX, Paris; Université de Versailles Saint-Quentin-en-Yvelines, Versailles, France. Financial support from Outcome Measures in Rheumatology Clinical Trials (OMERACT). LT is funded by the Danish Rheumatism Association and RC is funded through grants from the Oak Foundation. L. Terslev, MD, PhD, Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital; M. Gutierrez, MD, Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche; R. Christensen, Senior Biostatistician, MSc, PhD, Musculoskeletal Statistics Unit, the Parker Institute, Copenhagen University Hospital; P.V. Balint, MD, PhD, Third Rheumatology Department, National Institute of Rheumatology and Physiotherapy; G.A. Bruyn, MD, PhD, Department of Rheumatology, MC Groep; A. Delle Sedie, MD, Rheumatology Unit, University of Pisa; E. Filippucci, MD, Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche; J. Garrido, Social Psychology and Methodology Department, Faculty of Psychology, Universidad Madrid; H.B. Hammer, MD, PhD, Department of Rheumatology, Diakonhjemmet Hospital; A. Iagnocco, MD, PhD, Department of Rheumatology, Sapienza Università di Roma; D. Kane, MD, Department of Rheumatology, Trinity College; G.S. Kaeley, MD, Department of Rheumatology, University of Florida; H. Keen, MD, Department of Rheumatology, Royal Perth Hospital; P. Mandl, MD, PhD, Division of Rheumatology, Third Department of Internal Medicine, University of Vienna; E. Naredo, MD, Department of Rheumatology, Hospital General Universitario Gregorio Marañón; C. Pineda, MD, National Institute of Rehabilitation; B. Schicke, Statistician, Department of Statistics, Tumor-Zentrum Berlin e.V.; R. Thiele, MD, Department of Rheumatology, University of Rochester; M.A. D’Agostino, MD, PhD, APHP, Rheumatology Department, Hôpital Ambroise Paré, INSERM U1173, Laboratoire d’Excellence INFLAMEX, and Université de Versailles Saint-Quentin-en-Yvelines; W.A. Schmidt, MD, Immanuel Krankenhaus Berlin, Medical Center for Rheumatology. Address correspondence to Dr. L. Terslev, Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital, Nordre Ringvej 57, Glostrup, 2650, Denmark. E-mail: Lene.terslev.01@regionh.dk. Accepted for publication July 23, 2015.
David Kane
From the Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital, Glostrup; Musculoskeletal Statistics Unit, the Parker Institute, Copenhagen University Hospital, Bispebjerg and Frederiksberg, Denmark; Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche, Ancona; Rheumatology Unit, University of Pisa, Pisa; Department of Rheumatology, Sapienza Università di Roma, Rome, Italy; Third Rheumatology Department, National Institute of Rheumatology and Physiotherapy, Budapest, Hungary; Department of Rheumatology, MC Groep, Lelystad, the Netherlands; Social Psychology and Methodology Department, Faculty of Psychology, Universidad Madrid; Department of Rheumatology, Hospital General Universitario Gregorio Marañón, Madrid, Spain; Department of Rheumatology, Diakonhjemmet Hospital, Oslo, Norway; Department of Rheumatology, Trinity College, Dublin, Ireland; Department of Rheumatology, University of Florida, Gainesville, Florida; Department of Rheumatology, University of Rochester, Rochester, New York, USA; Department of Rheumatology, Royal Perth Hospital, Perth, Australia; Division of Rheumatology, Third Department of Internal Medicine, University of Vienna, Vienna, Austria; National Institute of Rehabilitation, Mexico City, Mexico; Department of Statistics, Tumor-Zentrum Berlin e.V.; Immanuel Krankenhaus Berlin, Medical Center for Rheumatology, Berlin-Buch, Berlin, Germany; Rheumatology Department, Hôpital Ambroise Paré, INSERM U1173, Laboratoire d’Excellence INFLAMEX, Paris; Université de Versailles Saint-Quentin-en-Yvelines, Versailles, France. Financial support from Outcome Measures in Rheumatology Clinical Trials (OMERACT). LT is funded by the Danish Rheumatism Association and RC is funded through grants from the Oak Foundation. L. Terslev, MD, PhD, Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital; M. Gutierrez, MD, Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche; R. Christensen, Senior Biostatistician, MSc, PhD, Musculoskeletal Statistics Unit, the Parker Institute, Copenhagen University Hospital; P.V. Balint, MD, PhD, Third Rheumatology Department, National Institute of Rheumatology and Physiotherapy; G.A. Bruyn, MD, PhD, Department of Rheumatology, MC Groep; A. Delle Sedie, MD, Rheumatology Unit, University of Pisa; E. Filippucci, MD, Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche; J. Garrido, Social Psychology and Methodology Department, Faculty of Psychology, Universidad Madrid; H.B. Hammer, MD, PhD, Department of Rheumatology, Diakonhjemmet Hospital; A. Iagnocco, MD, PhD, Department of Rheumatology, Sapienza Università di Roma; D. Kane, MD, Department of Rheumatology, Trinity College; G.S. Kaeley, MD, Department of Rheumatology, University of Florida; H. Keen, MD, Department of Rheumatology, Royal Perth Hospital; P. Mandl, MD, PhD, Division of Rheumatology, Third Department of Internal Medicine, University of Vienna; E. Naredo, MD, Department of Rheumatology, Hospital General Universitario Gregorio Marañón; C. Pineda, MD, National Institute of Rehabilitation; B. Schicke, Statistician, Department of Statistics, Tumor-Zentrum Berlin e.V.; R. Thiele, MD, Department of Rheumatology, University of Rochester; M.A. D’Agostino, MD, PhD, APHP, Rheumatology Department, Hôpital Ambroise Paré, INSERM U1173, Laboratoire d’Excellence INFLAMEX, and Université de Versailles Saint-Quentin-en-Yvelines; W.A. Schmidt, MD, Immanuel Krankenhaus Berlin, Medical Center for Rheumatology. Address correspondence to Dr. L. Terslev, Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital, Nordre Ringvej 57, Glostrup, 2650, Denmark. E-mail: Lene.terslev.01@regionh.dk. Accepted for publication July 23, 2015.
Gurjit S. Kaeley
From the Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital, Glostrup; Musculoskeletal Statistics Unit, the Parker Institute, Copenhagen University Hospital, Bispebjerg and Frederiksberg, Denmark; Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche, Ancona; Rheumatology Unit, University of Pisa, Pisa; Department of Rheumatology, Sapienza Università di Roma, Rome, Italy; Third Rheumatology Department, National Institute of Rheumatology and Physiotherapy, Budapest, Hungary; Department of Rheumatology, MC Groep, Lelystad, the Netherlands; Social Psychology and Methodology Department, Faculty of Psychology, Universidad Madrid; Department of Rheumatology, Hospital General Universitario Gregorio Marañón, Madrid, Spain; Department of Rheumatology, Diakonhjemmet Hospital, Oslo, Norway; Department of Rheumatology, Trinity College, Dublin, Ireland; Department of Rheumatology, University of Florida, Gainesville, Florida; Department of Rheumatology, University of Rochester, Rochester, New York, USA; Department of Rheumatology, Royal Perth Hospital, Perth, Australia; Division of Rheumatology, Third Department of Internal Medicine, University of Vienna, Vienna, Austria; National Institute of Rehabilitation, Mexico City, Mexico; Department of Statistics, Tumor-Zentrum Berlin e.V.; Immanuel Krankenhaus Berlin, Medical Center for Rheumatology, Berlin-Buch, Berlin, Germany; Rheumatology Department, Hôpital Ambroise Paré, INSERM U1173, Laboratoire d’Excellence INFLAMEX, Paris; Université de Versailles Saint-Quentin-en-Yvelines, Versailles, France. Financial support from Outcome Measures in Rheumatology Clinical Trials (OMERACT). LT is funded by the Danish Rheumatism Association and RC is funded through grants from the Oak Foundation. L. Terslev, MD, PhD, Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital; M. Gutierrez, MD, Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche; R. Christensen, Senior Biostatistician, MSc, PhD, Musculoskeletal Statistics Unit, the Parker Institute, Copenhagen University Hospital; P.V. Balint, MD, PhD, Third Rheumatology Department, National Institute of Rheumatology and Physiotherapy; G.A. Bruyn, MD, PhD, Department of Rheumatology, MC Groep; A. Delle Sedie, MD, Rheumatology Unit, University of Pisa; E. Filippucci, MD, Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche; J. Garrido, Social Psychology and Methodology Department, Faculty of Psychology, Universidad Madrid; H.B. Hammer, MD, PhD, Department of Rheumatology, Diakonhjemmet Hospital; A. Iagnocco, MD, PhD, Department of Rheumatology, Sapienza Università di Roma; D. Kane, MD, Department of Rheumatology, Trinity College; G.S. Kaeley, MD, Department of Rheumatology, University of Florida; H. Keen, MD, Department of Rheumatology, Royal Perth Hospital; P. Mandl, MD, PhD, Division of Rheumatology, Third Department of Internal Medicine, University of Vienna; E. Naredo, MD, Department of Rheumatology, Hospital General Universitario Gregorio Marañón; C. Pineda, MD, National Institute of Rehabilitation; B. Schicke, Statistician, Department of Statistics, Tumor-Zentrum Berlin e.V.; R. Thiele, MD, Department of Rheumatology, University of Rochester; M.A. D’Agostino, MD, PhD, APHP, Rheumatology Department, Hôpital Ambroise Paré, INSERM U1173, Laboratoire d’Excellence INFLAMEX, and Université de Versailles Saint-Quentin-en-Yvelines; W.A. Schmidt, MD, Immanuel Krankenhaus Berlin, Medical Center for Rheumatology. Address correspondence to Dr. L. Terslev, Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital, Nordre Ringvej 57, Glostrup, 2650, Denmark. E-mail: Lene.terslev.01@regionh.dk. Accepted for publication July 23, 2015.
Helen Keen
From the Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital, Glostrup; Musculoskeletal Statistics Unit, the Parker Institute, Copenhagen University Hospital, Bispebjerg and Frederiksberg, Denmark; Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche, Ancona; Rheumatology Unit, University of Pisa, Pisa; Department of Rheumatology, Sapienza Università di Roma, Rome, Italy; Third Rheumatology Department, National Institute of Rheumatology and Physiotherapy, Budapest, Hungary; Department of Rheumatology, MC Groep, Lelystad, the Netherlands; Social Psychology and Methodology Department, Faculty of Psychology, Universidad Madrid; Department of Rheumatology, Hospital General Universitario Gregorio Marañón, Madrid, Spain; Department of Rheumatology, Diakonhjemmet Hospital, Oslo, Norway; Department of Rheumatology, Trinity College, Dublin, Ireland; Department of Rheumatology, University of Florida, Gainesville, Florida; Department of Rheumatology, University of Rochester, Rochester, New York, USA; Department of Rheumatology, Royal Perth Hospital, Perth, Australia; Division of Rheumatology, Third Department of Internal Medicine, University of Vienna, Vienna, Austria; National Institute of Rehabilitation, Mexico City, Mexico; Department of Statistics, Tumor-Zentrum Berlin e.V.; Immanuel Krankenhaus Berlin, Medical Center for Rheumatology, Berlin-Buch, Berlin, Germany; Rheumatology Department, Hôpital Ambroise Paré, INSERM U1173, Laboratoire d’Excellence INFLAMEX, Paris; Université de Versailles Saint-Quentin-en-Yvelines, Versailles, France. Financial support from Outcome Measures in Rheumatology Clinical Trials (OMERACT). LT is funded by the Danish Rheumatism Association and RC is funded through grants from the Oak Foundation. L. Terslev, MD, PhD, Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital; M. Gutierrez, MD, Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche; R. Christensen, Senior Biostatistician, MSc, PhD, Musculoskeletal Statistics Unit, the Parker Institute, Copenhagen University Hospital; P.V. Balint, MD, PhD, Third Rheumatology Department, National Institute of Rheumatology and Physiotherapy; G.A. Bruyn, MD, PhD, Department of Rheumatology, MC Groep; A. Delle Sedie, MD, Rheumatology Unit, University of Pisa; E. Filippucci, MD, Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche; J. Garrido, Social Psychology and Methodology Department, Faculty of Psychology, Universidad Madrid; H.B. Hammer, MD, PhD, Department of Rheumatology, Diakonhjemmet Hospital; A. Iagnocco, MD, PhD, Department of Rheumatology, Sapienza Università di Roma; D. Kane, MD, Department of Rheumatology, Trinity College; G.S. Kaeley, MD, Department of Rheumatology, University of Florida; H. Keen, MD, Department of Rheumatology, Royal Perth Hospital; P. Mandl, MD, PhD, Division of Rheumatology, Third Department of Internal Medicine, University of Vienna; E. Naredo, MD, Department of Rheumatology, Hospital General Universitario Gregorio Marañón; C. Pineda, MD, National Institute of Rehabilitation; B. Schicke, Statistician, Department of Statistics, Tumor-Zentrum Berlin e.V.; R. Thiele, MD, Department of Rheumatology, University of Rochester; M.A. D’Agostino, MD, PhD, APHP, Rheumatology Department, Hôpital Ambroise Paré, INSERM U1173, Laboratoire d’Excellence INFLAMEX, and Université de Versailles Saint-Quentin-en-Yvelines; W.A. Schmidt, MD, Immanuel Krankenhaus Berlin, Medical Center for Rheumatology. Address correspondence to Dr. L. Terslev, Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital, Nordre Ringvej 57, Glostrup, 2650, Denmark. E-mail: Lene.terslev.01@regionh.dk. Accepted for publication July 23, 2015.
Peter Mandl
From the Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital, Glostrup; Musculoskeletal Statistics Unit, the Parker Institute, Copenhagen University Hospital, Bispebjerg and Frederiksberg, Denmark; Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche, Ancona; Rheumatology Unit, University of Pisa, Pisa; Department of Rheumatology, Sapienza Università di Roma, Rome, Italy; Third Rheumatology Department, National Institute of Rheumatology and Physiotherapy, Budapest, Hungary; Department of Rheumatology, MC Groep, Lelystad, the Netherlands; Social Psychology and Methodology Department, Faculty of Psychology, Universidad Madrid; Department of Rheumatology, Hospital General Universitario Gregorio Marañón, Madrid, Spain; Department of Rheumatology, Diakonhjemmet Hospital, Oslo, Norway; Department of Rheumatology, Trinity College, Dublin, Ireland; Department of Rheumatology, University of Florida, Gainesville, Florida; Department of Rheumatology, University of Rochester, Rochester, New York, USA; Department of Rheumatology, Royal Perth Hospital, Perth, Australia; Division of Rheumatology, Third Department of Internal Medicine, University of Vienna, Vienna, Austria; National Institute of Rehabilitation, Mexico City, Mexico; Department of Statistics, Tumor-Zentrum Berlin e.V.; Immanuel Krankenhaus Berlin, Medical Center for Rheumatology, Berlin-Buch, Berlin, Germany; Rheumatology Department, Hôpital Ambroise Paré, INSERM U1173, Laboratoire d’Excellence INFLAMEX, Paris; Université de Versailles Saint-Quentin-en-Yvelines, Versailles, France. Financial support from Outcome Measures in Rheumatology Clinical Trials (OMERACT). LT is funded by the Danish Rheumatism Association and RC is funded through grants from the Oak Foundation. L. Terslev, MD, PhD, Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital; M. Gutierrez, MD, Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche; R. Christensen, Senior Biostatistician, MSc, PhD, Musculoskeletal Statistics Unit, the Parker Institute, Copenhagen University Hospital; P.V. Balint, MD, PhD, Third Rheumatology Department, National Institute of Rheumatology and Physiotherapy; G.A. Bruyn, MD, PhD, Department of Rheumatology, MC Groep; A. Delle Sedie, MD, Rheumatology Unit, University of Pisa; E. Filippucci, MD, Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche; J. Garrido, Social Psychology and Methodology Department, Faculty of Psychology, Universidad Madrid; H.B. Hammer, MD, PhD, Department of Rheumatology, Diakonhjemmet Hospital; A. Iagnocco, MD, PhD, Department of Rheumatology, Sapienza Università di Roma; D. Kane, MD, Department of Rheumatology, Trinity College; G.S. Kaeley, MD, Department of Rheumatology, University of Florida; H. Keen, MD, Department of Rheumatology, Royal Perth Hospital; P. Mandl, MD, PhD, Division of Rheumatology, Third Department of Internal Medicine, University of Vienna; E. Naredo, MD, Department of Rheumatology, Hospital General Universitario Gregorio Marañón; C. Pineda, MD, National Institute of Rehabilitation; B. Schicke, Statistician, Department of Statistics, Tumor-Zentrum Berlin e.V.; R. Thiele, MD, Department of Rheumatology, University of Rochester; M.A. D’Agostino, MD, PhD, APHP, Rheumatology Department, Hôpital Ambroise Paré, INSERM U1173, Laboratoire d’Excellence INFLAMEX, and Université de Versailles Saint-Quentin-en-Yvelines; W.A. Schmidt, MD, Immanuel Krankenhaus Berlin, Medical Center for Rheumatology. Address correspondence to Dr. L. Terslev, Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital, Nordre Ringvej 57, Glostrup, 2650, Denmark. E-mail: Lene.terslev.01@regionh.dk. Accepted for publication July 23, 2015.
Esperanza Naredo
From the Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital, Glostrup; Musculoskeletal Statistics Unit, the Parker Institute, Copenhagen University Hospital, Bispebjerg and Frederiksberg, Denmark; Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche, Ancona; Rheumatology Unit, University of Pisa, Pisa; Department of Rheumatology, Sapienza Università di Roma, Rome, Italy; Third Rheumatology Department, National Institute of Rheumatology and Physiotherapy, Budapest, Hungary; Department of Rheumatology, MC Groep, Lelystad, the Netherlands; Social Psychology and Methodology Department, Faculty of Psychology, Universidad Madrid; Department of Rheumatology, Hospital General Universitario Gregorio Marañón, Madrid, Spain; Department of Rheumatology, Diakonhjemmet Hospital, Oslo, Norway; Department of Rheumatology, Trinity College, Dublin, Ireland; Department of Rheumatology, University of Florida, Gainesville, Florida; Department of Rheumatology, University of Rochester, Rochester, New York, USA; Department of Rheumatology, Royal Perth Hospital, Perth, Australia; Division of Rheumatology, Third Department of Internal Medicine, University of Vienna, Vienna, Austria; National Institute of Rehabilitation, Mexico City, Mexico; Department of Statistics, Tumor-Zentrum Berlin e.V.; Immanuel Krankenhaus Berlin, Medical Center for Rheumatology, Berlin-Buch, Berlin, Germany; Rheumatology Department, Hôpital Ambroise Paré, INSERM U1173, Laboratoire d’Excellence INFLAMEX, Paris; Université de Versailles Saint-Quentin-en-Yvelines, Versailles, France. Financial support from Outcome Measures in Rheumatology Clinical Trials (OMERACT). LT is funded by the Danish Rheumatism Association and RC is funded through grants from the Oak Foundation. L. Terslev, MD, PhD, Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital; M. Gutierrez, MD, Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche; R. Christensen, Senior Biostatistician, MSc, PhD, Musculoskeletal Statistics Unit, the Parker Institute, Copenhagen University Hospital; P.V. Balint, MD, PhD, Third Rheumatology Department, National Institute of Rheumatology and Physiotherapy; G.A. Bruyn, MD, PhD, Department of Rheumatology, MC Groep; A. Delle Sedie, MD, Rheumatology Unit, University of Pisa; E. Filippucci, MD, Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche; J. Garrido, Social Psychology and Methodology Department, Faculty of Psychology, Universidad Madrid; H.B. Hammer, MD, PhD, Department of Rheumatology, Diakonhjemmet Hospital; A. Iagnocco, MD, PhD, Department of Rheumatology, Sapienza Università di Roma; D. Kane, MD, Department of Rheumatology, Trinity College; G.S. Kaeley, MD, Department of Rheumatology, University of Florida; H. Keen, MD, Department of Rheumatology, Royal Perth Hospital; P. Mandl, MD, PhD, Division of Rheumatology, Third Department of Internal Medicine, University of Vienna; E. Naredo, MD, Department of Rheumatology, Hospital General Universitario Gregorio Marañón; C. Pineda, MD, National Institute of Rehabilitation; B. Schicke, Statistician, Department of Statistics, Tumor-Zentrum Berlin e.V.; R. Thiele, MD, Department of Rheumatology, University of Rochester; M.A. D’Agostino, MD, PhD, APHP, Rheumatology Department, Hôpital Ambroise Paré, INSERM U1173, Laboratoire d’Excellence INFLAMEX, and Université de Versailles Saint-Quentin-en-Yvelines; W.A. Schmidt, MD, Immanuel Krankenhaus Berlin, Medical Center for Rheumatology. Address correspondence to Dr. L. Terslev, Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital, Nordre Ringvej 57, Glostrup, 2650, Denmark. E-mail: Lene.terslev.01@regionh.dk. Accepted for publication July 23, 2015.
Carlos Pineda
From the Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital, Glostrup; Musculoskeletal Statistics Unit, the Parker Institute, Copenhagen University Hospital, Bispebjerg and Frederiksberg, Denmark; Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche, Ancona; Rheumatology Unit, University of Pisa, Pisa; Department of Rheumatology, Sapienza Università di Roma, Rome, Italy; Third Rheumatology Department, National Institute of Rheumatology and Physiotherapy, Budapest, Hungary; Department of Rheumatology, MC Groep, Lelystad, the Netherlands; Social Psychology and Methodology Department, Faculty of Psychology, Universidad Madrid; Department of Rheumatology, Hospital General Universitario Gregorio Marañón, Madrid, Spain; Department of Rheumatology, Diakonhjemmet Hospital, Oslo, Norway; Department of Rheumatology, Trinity College, Dublin, Ireland; Department of Rheumatology, University of Florida, Gainesville, Florida; Department of Rheumatology, University of Rochester, Rochester, New York, USA; Department of Rheumatology, Royal Perth Hospital, Perth, Australia; Division of Rheumatology, Third Department of Internal Medicine, University of Vienna, Vienna, Austria; National Institute of Rehabilitation, Mexico City, Mexico; Department of Statistics, Tumor-Zentrum Berlin e.V.; Immanuel Krankenhaus Berlin, Medical Center for Rheumatology, Berlin-Buch, Berlin, Germany; Rheumatology Department, Hôpital Ambroise Paré, INSERM U1173, Laboratoire d’Excellence INFLAMEX, Paris; Université de Versailles Saint-Quentin-en-Yvelines, Versailles, France. Financial support from Outcome Measures in Rheumatology Clinical Trials (OMERACT). LT is funded by the Danish Rheumatism Association and RC is funded through grants from the Oak Foundation. L. Terslev, MD, PhD, Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital; M. Gutierrez, MD, Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche; R. Christensen, Senior Biostatistician, MSc, PhD, Musculoskeletal Statistics Unit, the Parker Institute, Copenhagen University Hospital; P.V. Balint, MD, PhD, Third Rheumatology Department, National Institute of Rheumatology and Physiotherapy; G.A. Bruyn, MD, PhD, Department of Rheumatology, MC Groep; A. Delle Sedie, MD, Rheumatology Unit, University of Pisa; E. Filippucci, MD, Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche; J. Garrido, Social Psychology and Methodology Department, Faculty of Psychology, Universidad Madrid; H.B. Hammer, MD, PhD, Department of Rheumatology, Diakonhjemmet Hospital; A. Iagnocco, MD, PhD, Department of Rheumatology, Sapienza Università di Roma; D. Kane, MD, Department of Rheumatology, Trinity College; G.S. Kaeley, MD, Department of Rheumatology, University of Florida; H. Keen, MD, Department of Rheumatology, Royal Perth Hospital; P. Mandl, MD, PhD, Division of Rheumatology, Third Department of Internal Medicine, University of Vienna; E. Naredo, MD, Department of Rheumatology, Hospital General Universitario Gregorio Marañón; C. Pineda, MD, National Institute of Rehabilitation; B. Schicke, Statistician, Department of Statistics, Tumor-Zentrum Berlin e.V.; R. Thiele, MD, Department of Rheumatology, University of Rochester; M.A. D’Agostino, MD, PhD, APHP, Rheumatology Department, Hôpital Ambroise Paré, INSERM U1173, Laboratoire d’Excellence INFLAMEX, and Université de Versailles Saint-Quentin-en-Yvelines; W.A. Schmidt, MD, Immanuel Krankenhaus Berlin, Medical Center for Rheumatology. Address correspondence to Dr. L. Terslev, Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital, Nordre Ringvej 57, Glostrup, 2650, Denmark. E-mail: Lene.terslev.01@regionh.dk. Accepted for publication July 23, 2015.
Bernd Schicke
From the Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital, Glostrup; Musculoskeletal Statistics Unit, the Parker Institute, Copenhagen University Hospital, Bispebjerg and Frederiksberg, Denmark; Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche, Ancona; Rheumatology Unit, University of Pisa, Pisa; Department of Rheumatology, Sapienza Università di Roma, Rome, Italy; Third Rheumatology Department, National Institute of Rheumatology and Physiotherapy, Budapest, Hungary; Department of Rheumatology, MC Groep, Lelystad, the Netherlands; Social Psychology and Methodology Department, Faculty of Psychology, Universidad Madrid; Department of Rheumatology, Hospital General Universitario Gregorio Marañón, Madrid, Spain; Department of Rheumatology, Diakonhjemmet Hospital, Oslo, Norway; Department of Rheumatology, Trinity College, Dublin, Ireland; Department of Rheumatology, University of Florida, Gainesville, Florida; Department of Rheumatology, University of Rochester, Rochester, New York, USA; Department of Rheumatology, Royal Perth Hospital, Perth, Australia; Division of Rheumatology, Third Department of Internal Medicine, University of Vienna, Vienna, Austria; National Institute of Rehabilitation, Mexico City, Mexico; Department of Statistics, Tumor-Zentrum Berlin e.V.; Immanuel Krankenhaus Berlin, Medical Center for Rheumatology, Berlin-Buch, Berlin, Germany; Rheumatology Department, Hôpital Ambroise Paré, INSERM U1173, Laboratoire d’Excellence INFLAMEX, Paris; Université de Versailles Saint-Quentin-en-Yvelines, Versailles, France. Financial support from Outcome Measures in Rheumatology Clinical Trials (OMERACT). LT is funded by the Danish Rheumatism Association and RC is funded through grants from the Oak Foundation. L. Terslev, MD, PhD, Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital; M. Gutierrez, MD, Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche; R. Christensen, Senior Biostatistician, MSc, PhD, Musculoskeletal Statistics Unit, the Parker Institute, Copenhagen University Hospital; P.V. Balint, MD, PhD, Third Rheumatology Department, National Institute of Rheumatology and Physiotherapy; G.A. Bruyn, MD, PhD, Department of Rheumatology, MC Groep; A. Delle Sedie, MD, Rheumatology Unit, University of Pisa; E. Filippucci, MD, Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche; J. Garrido, Social Psychology and Methodology Department, Faculty of Psychology, Universidad Madrid; H.B. Hammer, MD, PhD, Department of Rheumatology, Diakonhjemmet Hospital; A. Iagnocco, MD, PhD, Department of Rheumatology, Sapienza Università di Roma; D. Kane, MD, Department of Rheumatology, Trinity College; G.S. Kaeley, MD, Department of Rheumatology, University of Florida; H. Keen, MD, Department of Rheumatology, Royal Perth Hospital; P. Mandl, MD, PhD, Division of Rheumatology, Third Department of Internal Medicine, University of Vienna; E. Naredo, MD, Department of Rheumatology, Hospital General Universitario Gregorio Marañón; C. Pineda, MD, National Institute of Rehabilitation; B. Schicke, Statistician, Department of Statistics, Tumor-Zentrum Berlin e.V.; R. Thiele, MD, Department of Rheumatology, University of Rochester; M.A. D’Agostino, MD, PhD, APHP, Rheumatology Department, Hôpital Ambroise Paré, INSERM U1173, Laboratoire d’Excellence INFLAMEX, and Université de Versailles Saint-Quentin-en-Yvelines; W.A. Schmidt, MD, Immanuel Krankenhaus Berlin, Medical Center for Rheumatology. Address correspondence to Dr. L. Terslev, Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital, Nordre Ringvej 57, Glostrup, 2650, Denmark. E-mail: Lene.terslev.01@regionh.dk. Accepted for publication July 23, 2015.
Ralf Thiele
From the Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital, Glostrup; Musculoskeletal Statistics Unit, the Parker Institute, Copenhagen University Hospital, Bispebjerg and Frederiksberg, Denmark; Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche, Ancona; Rheumatology Unit, University of Pisa, Pisa; Department of Rheumatology, Sapienza Università di Roma, Rome, Italy; Third Rheumatology Department, National Institute of Rheumatology and Physiotherapy, Budapest, Hungary; Department of Rheumatology, MC Groep, Lelystad, the Netherlands; Social Psychology and Methodology Department, Faculty of Psychology, Universidad Madrid; Department of Rheumatology, Hospital General Universitario Gregorio Marañón, Madrid, Spain; Department of Rheumatology, Diakonhjemmet Hospital, Oslo, Norway; Department of Rheumatology, Trinity College, Dublin, Ireland; Department of Rheumatology, University of Florida, Gainesville, Florida; Department of Rheumatology, University of Rochester, Rochester, New York, USA; Department of Rheumatology, Royal Perth Hospital, Perth, Australia; Division of Rheumatology, Third Department of Internal Medicine, University of Vienna, Vienna, Austria; National Institute of Rehabilitation, Mexico City, Mexico; Department of Statistics, Tumor-Zentrum Berlin e.V.; Immanuel Krankenhaus Berlin, Medical Center for Rheumatology, Berlin-Buch, Berlin, Germany; Rheumatology Department, Hôpital Ambroise Paré, INSERM U1173, Laboratoire d’Excellence INFLAMEX, Paris; Université de Versailles Saint-Quentin-en-Yvelines, Versailles, France. Financial support from Outcome Measures in Rheumatology Clinical Trials (OMERACT). LT is funded by the Danish Rheumatism Association and RC is funded through grants from the Oak Foundation. L. Terslev, MD, PhD, Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital; M. Gutierrez, MD, Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche; R. Christensen, Senior Biostatistician, MSc, PhD, Musculoskeletal Statistics Unit, the Parker Institute, Copenhagen University Hospital; P.V. Balint, MD, PhD, Third Rheumatology Department, National Institute of Rheumatology and Physiotherapy; G.A. Bruyn, MD, PhD, Department of Rheumatology, MC Groep; A. Delle Sedie, MD, Rheumatology Unit, University of Pisa; E. Filippucci, MD, Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche; J. Garrido, Social Psychology and Methodology Department, Faculty of Psychology, Universidad Madrid; H.B. Hammer, MD, PhD, Department of Rheumatology, Diakonhjemmet Hospital; A. Iagnocco, MD, PhD, Department of Rheumatology, Sapienza Università di Roma; D. Kane, MD, Department of Rheumatology, Trinity College; G.S. Kaeley, MD, Department of Rheumatology, University of Florida; H. Keen, MD, Department of Rheumatology, Royal Perth Hospital; P. Mandl, MD, PhD, Division of Rheumatology, Third Department of Internal Medicine, University of Vienna; E. Naredo, MD, Department of Rheumatology, Hospital General Universitario Gregorio Marañón; C. Pineda, MD, National Institute of Rehabilitation; B. Schicke, Statistician, Department of Statistics, Tumor-Zentrum Berlin e.V.; R. Thiele, MD, Department of Rheumatology, University of Rochester; M.A. D’Agostino, MD, PhD, APHP, Rheumatology Department, Hôpital Ambroise Paré, INSERM U1173, Laboratoire d’Excellence INFLAMEX, and Université de Versailles Saint-Quentin-en-Yvelines; W.A. Schmidt, MD, Immanuel Krankenhaus Berlin, Medical Center for Rheumatology. Address correspondence to Dr. L. Terslev, Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital, Nordre Ringvej 57, Glostrup, 2650, Denmark. E-mail: Lene.terslev.01@regionh.dk. Accepted for publication July 23, 2015.
Maria Antonietta D’Agostino
From the Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital, Glostrup; Musculoskeletal Statistics Unit, the Parker Institute, Copenhagen University Hospital, Bispebjerg and Frederiksberg, Denmark; Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche, Ancona; Rheumatology Unit, University of Pisa, Pisa; Department of Rheumatology, Sapienza Università di Roma, Rome, Italy; Third Rheumatology Department, National Institute of Rheumatology and Physiotherapy, Budapest, Hungary; Department of Rheumatology, MC Groep, Lelystad, the Netherlands; Social Psychology and Methodology Department, Faculty of Psychology, Universidad Madrid; Department of Rheumatology, Hospital General Universitario Gregorio Marañón, Madrid, Spain; Department of Rheumatology, Diakonhjemmet Hospital, Oslo, Norway; Department of Rheumatology, Trinity College, Dublin, Ireland; Department of Rheumatology, University of Florida, Gainesville, Florida; Department of Rheumatology, University of Rochester, Rochester, New York, USA; Department of Rheumatology, Royal Perth Hospital, Perth, Australia; Division of Rheumatology, Third Department of Internal Medicine, University of Vienna, Vienna, Austria; National Institute of Rehabilitation, Mexico City, Mexico; Department of Statistics, Tumor-Zentrum Berlin e.V.; Immanuel Krankenhaus Berlin, Medical Center for Rheumatology, Berlin-Buch, Berlin, Germany; Rheumatology Department, Hôpital Ambroise Paré, INSERM U1173, Laboratoire d’Excellence INFLAMEX, Paris; Université de Versailles Saint-Quentin-en-Yvelines, Versailles, France. Financial support from Outcome Measures in Rheumatology Clinical Trials (OMERACT). LT is funded by the Danish Rheumatism Association and RC is funded through grants from the Oak Foundation. L. Terslev, MD, PhD, Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital; M. Gutierrez, MD, Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche; R. Christensen, Senior Biostatistician, MSc, PhD, Musculoskeletal Statistics Unit, the Parker Institute, Copenhagen University Hospital; P.V. Balint, MD, PhD, Third Rheumatology Department, National Institute of Rheumatology and Physiotherapy; G.A. Bruyn, MD, PhD, Department of Rheumatology, MC Groep; A. Delle Sedie, MD, Rheumatology Unit, University of Pisa; E. Filippucci, MD, Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche; J. Garrido, Social Psychology and Methodology Department, Faculty of Psychology, Universidad Madrid; H.B. Hammer, MD, PhD, Department of Rheumatology, Diakonhjemmet Hospital; A. Iagnocco, MD, PhD, Department of Rheumatology, Sapienza Università di Roma; D. Kane, MD, Department of Rheumatology, Trinity College; G.S. Kaeley, MD, Department of Rheumatology, University of Florida; H. Keen, MD, Department of Rheumatology, Royal Perth Hospital; P. Mandl, MD, PhD, Division of Rheumatology, Third Department of Internal Medicine, University of Vienna; E. Naredo, MD, Department of Rheumatology, Hospital General Universitario Gregorio Marañón; C. Pineda, MD, National Institute of Rehabilitation; B. Schicke, Statistician, Department of Statistics, Tumor-Zentrum Berlin e.V.; R. Thiele, MD, Department of Rheumatology, University of Rochester; M.A. D’Agostino, MD, PhD, APHP, Rheumatology Department, Hôpital Ambroise Paré, INSERM U1173, Laboratoire d’Excellence INFLAMEX, and Université de Versailles Saint-Quentin-en-Yvelines; W.A. Schmidt, MD, Immanuel Krankenhaus Berlin, Medical Center for Rheumatology. Address correspondence to Dr. L. Terslev, Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital, Nordre Ringvej 57, Glostrup, 2650, Denmark. E-mail: Lene.terslev.01@regionh.dk. Accepted for publication July 23, 2015.
Wolfgang A. Schmidt
From the Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital, Glostrup; Musculoskeletal Statistics Unit, the Parker Institute, Copenhagen University Hospital, Bispebjerg and Frederiksberg, Denmark; Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche, Ancona; Rheumatology Unit, University of Pisa, Pisa; Department of Rheumatology, Sapienza Università di Roma, Rome, Italy; Third Rheumatology Department, National Institute of Rheumatology and Physiotherapy, Budapest, Hungary; Department of Rheumatology, MC Groep, Lelystad, the Netherlands; Social Psychology and Methodology Department, Faculty of Psychology, Universidad Madrid; Department of Rheumatology, Hospital General Universitario Gregorio Marañón, Madrid, Spain; Department of Rheumatology, Diakonhjemmet Hospital, Oslo, Norway; Department of Rheumatology, Trinity College, Dublin, Ireland; Department of Rheumatology, University of Florida, Gainesville, Florida; Department of Rheumatology, University of Rochester, Rochester, New York, USA; Department of Rheumatology, Royal Perth Hospital, Perth, Australia; Division of Rheumatology, Third Department of Internal Medicine, University of Vienna, Vienna, Austria; National Institute of Rehabilitation, Mexico City, Mexico; Department of Statistics, Tumor-Zentrum Berlin e.V.; Immanuel Krankenhaus Berlin, Medical Center for Rheumatology, Berlin-Buch, Berlin, Germany; Rheumatology Department, Hôpital Ambroise Paré, INSERM U1173, Laboratoire d’Excellence INFLAMEX, Paris; Université de Versailles Saint-Quentin-en-Yvelines, Versailles, France. Financial support from Outcome Measures in Rheumatology Clinical Trials (OMERACT). LT is funded by the Danish Rheumatism Association and RC is funded through grants from the Oak Foundation. L. Terslev, MD, PhD, Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital; M. Gutierrez, MD, Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche; R. Christensen, Senior Biostatistician, MSc, PhD, Musculoskeletal Statistics Unit, the Parker Institute, Copenhagen University Hospital; P.V. Balint, MD, PhD, Third Rheumatology Department, National Institute of Rheumatology and Physiotherapy; G.A. Bruyn, MD, PhD, Department of Rheumatology, MC Groep; A. Delle Sedie, MD, Rheumatology Unit, University of Pisa; E. Filippucci, MD, Department of Rheumatology, Clinica Reumatologica, Università Politecnica delle Marche; J. Garrido, Social Psychology and Methodology Department, Faculty of Psychology, Universidad Madrid; H.B. Hammer, MD, PhD, Department of Rheumatology, Diakonhjemmet Hospital; A. Iagnocco, MD, PhD, Department of Rheumatology, Sapienza Università di Roma; D. Kane, MD, Department of Rheumatology, Trinity College; G.S. Kaeley, MD, Department of Rheumatology, University of Florida; H. Keen, MD, Department of Rheumatology, Royal Perth Hospital; P. Mandl, MD, PhD, Division of Rheumatology, Third Department of Internal Medicine, University of Vienna; E. Naredo, MD, Department of Rheumatology, Hospital General Universitario Gregorio Marañón; C. Pineda, MD, National Institute of Rehabilitation; B. Schicke, Statistician, Department of Statistics, Tumor-Zentrum Berlin e.V.; R. Thiele, MD, Department of Rheumatology, University of Rochester; M.A. D’Agostino, MD, PhD, APHP, Rheumatology Department, Hôpital Ambroise Paré, INSERM U1173, Laboratoire d’Excellence INFLAMEX, and Université de Versailles Saint-Quentin-en-Yvelines; W.A. Schmidt, MD, Immanuel Krankenhaus Berlin, Medical Center for Rheumatology. Address correspondence to Dr. L. Terslev, Center for Rheumatology and Spine Diseases, Rigshospitalet-Glostrup, Copenhagen University Hospital, Nordre Ringvej 57, Glostrup, 2650, Denmark. E-mail: Lene.terslev.01@regionh.dk. Accepted for publication July 23, 2015.
In this issue
The Journal of Rheumatology
Vol. 51, Issue 3
1 Mar 2024
Assessing Elementary Lesions in Gout by Ultrasound: Results of an OMERACT Patient-based Agreement and Reliability Exercise
Lene Terslev, Marwin Gutierrez, Robin Christensen, Peter V. Balint, George A. Bruyn, Andrea Delle Sedie, Emilio Filippucci, Jesus Garrido, Hilde B. Hammer, Annamaria Iagnocco, David Kane, Gurjit S. Kaeley, Helen Keen, Peter Mandl, Esperanza Naredo, Carlos Pineda, Bernd Schicke, Ralf Thiele, Maria Antonietta D’Agostino, Wolfgang A. Schmidt
The Journal of Rheumatology Oct 2015, jrheum.150366; DOI: 10.3899/jrheum.150366
Assessing Elementary Lesions in Gout by Ultrasound: Results of an OMERACT Patient-based Agreement and Reliability Exercise
Lene Terslev, Marwin Gutierrez, Robin Christensen, Peter V. Balint, George A. Bruyn, Andrea Delle Sedie, Emilio Filippucci, Jesus Garrido, Hilde B. Hammer, Annamaria Iagnocco, David Kane, Gurjit S. Kaeley, Helen Keen, Peter Mandl, Esperanza Naredo, Carlos Pineda, Bernd Schicke, Ralf Thiele, Maria Antonietta D’Agostino, Wolfgang A. Schmidt
The Journal of Rheumatology Oct 2015, jrheum.150366; DOI: 10.3899/jrheum.150366