Research ArticleArticle
Appraisal of Candidate Instruments for Assessment of the Physical Function Domain in Patients with Psoriatic Arthritis
Ying Ying Leung, Ana-Maria Orbai, Alexis Ogdie, Pil Hojgaard, Richard Holland, Niti Goel, Jeffrey Chau, Laura C. Coates, Vibeke Strand, Dafna D. Gladman, Philip J. Mease, Robin Christensen and William Tille
The Journal of Rheumatology February 2020, jrheum.191119; DOI: https://doi.org/10.3899/jrheum.191119
Ying Ying Leung
From the Singapore General Hospital, Duke-NUS Medical School, Singapore; Psoriatic Arthritis Program, Division of Rheumatology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA; Medicine and Epidemiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen, Denmark; Concord Repatriation General Hospital, Sydney, Australia; Patient Research Partner, Adjunct Assistant Professor, Duke University School of Medicine, Durham, North Carolina, USA; Patient Research Partner, Hong Kong Psoriatic Arthritis Association, Hong Kong, China; National Institute for Health Research Clinician Scientist, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Division of Immunology/Rheumatology, Stanford University School of Medicine, Palo Alto, California, USA; Division of Rheumatology, University of Toronto, Krembil Research Institute, Toronto; Psoriatic Arthritis Program, University Health Network, Toronto Western Hospital, Toronto, Ontario, Canada; Swedish Medical Center/Providence St. Joseph Health and University of Washington School of Medicine, Seattle, Washington, USA; Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital, Odense, Denmark; Royal National Hospital for Rheumatic Diseases, University of Bath, Bath, UK. YYL is funded by the Clinician Scientist award of the National Medical Research Council, Singapore (NMRC/CSA-INV/0022/2017). The views expressed are those of the author(s) and not necessarily those of the NMRC. AMO is funded by the Jerome L. Greene Foundation Scholar Award, the Staurulakis Family Discovery Award, the Rheumatology Research Foundation, and the US National Institutes of Health (NIH) through the Rheumatic Diseases Resource-based Core Center (P30-AR053503 Cores A and D, and P30-AR070254, Cores A and B). All statements in this report, including its findings and conclusions, are solely those of the authors and do not necessarily represent the views of the NIH, the US National Institute of Arthritis Musculoskeletal and Skin Diseases (NIAMS), or the Rheumatology Research Foundation. PH and RC (The Parker Institute, Bispebjerg and Frederiksberg Hospital) are supported by a core grant from the Oak Foundation (OCAY-18-774-OFIL). LCC is funded by a UK National Institute for Health Research (NIHR) Clinician Scientist award. The research was supported by the NIHR Oxford Biomedical Research Centre (BRC). The views expressed are those of the author(s) and not necessarily those of the UK National Health Service, the NIHR, or the UK Department of Health. AO is funded by the Rheumatology Research Foundation and NIH/NIAMS R01 AR072363. Y.Y. Leung, MB ChB, MD, Associate Professor, Duke-NUS Medical School, Department of Rheumatology and Immunology, Singapore General Hospital; A.M. Orbai, MD, MHS, Assistant Professor of Medicine, Director Psoriatic Arthritis Program, Division of Rheumatology, Johns Hopkins University School of Medicine; A. Ogdie, MD, MSCE, Associate Professor of Medicine and Epidemiology, Perelman School of Medicine, University of Pennsylvania; P. Hojgaard, MD, PhD, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; R. Holland, MBBS, Concord Repatriation General Hospital; N. Goel, MD, Patient Research Partner, Adjunct Assistant Professor, Duke University School of Medicine; J. Chau, BBA, Patient Research Partner; L.C. Coates, MB ChB, PhD, NIHR Clinician Scientist, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; V. Strand, MD, Division of Immunology/Rheumatology, Stanford University School of Medicine; D.D. Gladman, MD, FRCPC, Professor of Medicine, University of Toronto, and Senior Scientist, Krembil Research Institute, and Director, Psoriatic Arthritis Program, University Health Network, Toronto Western Hospital; P.J. Mease, MD, Rheumatology Research, Swedish Medical Center and University of Washington School of Medicine; R. Christensen, BSc, MSc, PhD, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and the Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital; W. Tillett, BSc, MB ChB, PhD, MRCP, Consultant Rheumatologist, Senior Lecturer, Royal National Hospital for Rheumatic Diseases, Pharmacy and Pharmacology, University of Bath. Address correspondence to Dr. Y.Y. Leung, Department of Rheumatology and Immunology, Singapore General Hospital, The Academia, Level 4, 20 College Road, Singapore 169856. Email: katyccc@hotmail.com. Accepted for publication January 17, 2020.
Ana-Maria Orbai
From the Singapore General Hospital, Duke-NUS Medical School, Singapore; Psoriatic Arthritis Program, Division of Rheumatology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA; Medicine and Epidemiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen, Denmark; Concord Repatriation General Hospital, Sydney, Australia; Patient Research Partner, Adjunct Assistant Professor, Duke University School of Medicine, Durham, North Carolina, USA; Patient Research Partner, Hong Kong Psoriatic Arthritis Association, Hong Kong, China; National Institute for Health Research Clinician Scientist, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Division of Immunology/Rheumatology, Stanford University School of Medicine, Palo Alto, California, USA; Division of Rheumatology, University of Toronto, Krembil Research Institute, Toronto; Psoriatic Arthritis Program, University Health Network, Toronto Western Hospital, Toronto, Ontario, Canada; Swedish Medical Center/Providence St. Joseph Health and University of Washington School of Medicine, Seattle, Washington, USA; Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital, Odense, Denmark; Royal National Hospital for Rheumatic Diseases, University of Bath, Bath, UK. YYL is funded by the Clinician Scientist award of the National Medical Research Council, Singapore (NMRC/CSA-INV/0022/2017). The views expressed are those of the author(s) and not necessarily those of the NMRC. AMO is funded by the Jerome L. Greene Foundation Scholar Award, the Staurulakis Family Discovery Award, the Rheumatology Research Foundation, and the US National Institutes of Health (NIH) through the Rheumatic Diseases Resource-based Core Center (P30-AR053503 Cores A and D, and P30-AR070254, Cores A and B). All statements in this report, including its findings and conclusions, are solely those of the authors and do not necessarily represent the views of the NIH, the US National Institute of Arthritis Musculoskeletal and Skin Diseases (NIAMS), or the Rheumatology Research Foundation. PH and RC (The Parker Institute, Bispebjerg and Frederiksberg Hospital) are supported by a core grant from the Oak Foundation (OCAY-18-774-OFIL). LCC is funded by a UK National Institute for Health Research (NIHR) Clinician Scientist award. The research was supported by the NIHR Oxford Biomedical Research Centre (BRC). The views expressed are those of the author(s) and not necessarily those of the UK National Health Service, the NIHR, or the UK Department of Health. AO is funded by the Rheumatology Research Foundation and NIH/NIAMS R01 AR072363. Y.Y. Leung, MB ChB, MD, Associate Professor, Duke-NUS Medical School, Department of Rheumatology and Immunology, Singapore General Hospital; A.M. Orbai, MD, MHS, Assistant Professor of Medicine, Director Psoriatic Arthritis Program, Division of Rheumatology, Johns Hopkins University School of Medicine; A. Ogdie, MD, MSCE, Associate Professor of Medicine and Epidemiology, Perelman School of Medicine, University of Pennsylvania; P. Hojgaard, MD, PhD, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; R. Holland, MBBS, Concord Repatriation General Hospital; N. Goel, MD, Patient Research Partner, Adjunct Assistant Professor, Duke University School of Medicine; J. Chau, BBA, Patient Research Partner; L.C. Coates, MB ChB, PhD, NIHR Clinician Scientist, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; V. Strand, MD, Division of Immunology/Rheumatology, Stanford University School of Medicine; D.D. Gladman, MD, FRCPC, Professor of Medicine, University of Toronto, and Senior Scientist, Krembil Research Institute, and Director, Psoriatic Arthritis Program, University Health Network, Toronto Western Hospital; P.J. Mease, MD, Rheumatology Research, Swedish Medical Center and University of Washington School of Medicine; R. Christensen, BSc, MSc, PhD, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and the Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital; W. Tillett, BSc, MB ChB, PhD, MRCP, Consultant Rheumatologist, Senior Lecturer, Royal National Hospital for Rheumatic Diseases, Pharmacy and Pharmacology, University of Bath. Address correspondence to Dr. Y.Y. Leung, Department of Rheumatology and Immunology, Singapore General Hospital, The Academia, Level 4, 20 College Road, Singapore 169856. Email: katyccc@hotmail.com. Accepted for publication January 17, 2020.
Alexis Ogdie
From the Singapore General Hospital, Duke-NUS Medical School, Singapore; Psoriatic Arthritis Program, Division of Rheumatology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA; Medicine and Epidemiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen, Denmark; Concord Repatriation General Hospital, Sydney, Australia; Patient Research Partner, Adjunct Assistant Professor, Duke University School of Medicine, Durham, North Carolina, USA; Patient Research Partner, Hong Kong Psoriatic Arthritis Association, Hong Kong, China; National Institute for Health Research Clinician Scientist, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Division of Immunology/Rheumatology, Stanford University School of Medicine, Palo Alto, California, USA; Division of Rheumatology, University of Toronto, Krembil Research Institute, Toronto; Psoriatic Arthritis Program, University Health Network, Toronto Western Hospital, Toronto, Ontario, Canada; Swedish Medical Center/Providence St. Joseph Health and University of Washington School of Medicine, Seattle, Washington, USA; Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital, Odense, Denmark; Royal National Hospital for Rheumatic Diseases, University of Bath, Bath, UK. YYL is funded by the Clinician Scientist award of the National Medical Research Council, Singapore (NMRC/CSA-INV/0022/2017). The views expressed are those of the author(s) and not necessarily those of the NMRC. AMO is funded by the Jerome L. Greene Foundation Scholar Award, the Staurulakis Family Discovery Award, the Rheumatology Research Foundation, and the US National Institutes of Health (NIH) through the Rheumatic Diseases Resource-based Core Center (P30-AR053503 Cores A and D, and P30-AR070254, Cores A and B). All statements in this report, including its findings and conclusions, are solely those of the authors and do not necessarily represent the views of the NIH, the US National Institute of Arthritis Musculoskeletal and Skin Diseases (NIAMS), or the Rheumatology Research Foundation. PH and RC (The Parker Institute, Bispebjerg and Frederiksberg Hospital) are supported by a core grant from the Oak Foundation (OCAY-18-774-OFIL). LCC is funded by a UK National Institute for Health Research (NIHR) Clinician Scientist award. The research was supported by the NIHR Oxford Biomedical Research Centre (BRC). The views expressed are those of the author(s) and not necessarily those of the UK National Health Service, the NIHR, or the UK Department of Health. AO is funded by the Rheumatology Research Foundation and NIH/NIAMS R01 AR072363. Y.Y. Leung, MB ChB, MD, Associate Professor, Duke-NUS Medical School, Department of Rheumatology and Immunology, Singapore General Hospital; A.M. Orbai, MD, MHS, Assistant Professor of Medicine, Director Psoriatic Arthritis Program, Division of Rheumatology, Johns Hopkins University School of Medicine; A. Ogdie, MD, MSCE, Associate Professor of Medicine and Epidemiology, Perelman School of Medicine, University of Pennsylvania; P. Hojgaard, MD, PhD, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; R. Holland, MBBS, Concord Repatriation General Hospital; N. Goel, MD, Patient Research Partner, Adjunct Assistant Professor, Duke University School of Medicine; J. Chau, BBA, Patient Research Partner; L.C. Coates, MB ChB, PhD, NIHR Clinician Scientist, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; V. Strand, MD, Division of Immunology/Rheumatology, Stanford University School of Medicine; D.D. Gladman, MD, FRCPC, Professor of Medicine, University of Toronto, and Senior Scientist, Krembil Research Institute, and Director, Psoriatic Arthritis Program, University Health Network, Toronto Western Hospital; P.J. Mease, MD, Rheumatology Research, Swedish Medical Center and University of Washington School of Medicine; R. Christensen, BSc, MSc, PhD, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and the Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital; W. Tillett, BSc, MB ChB, PhD, MRCP, Consultant Rheumatologist, Senior Lecturer, Royal National Hospital for Rheumatic Diseases, Pharmacy and Pharmacology, University of Bath. Address correspondence to Dr. Y.Y. Leung, Department of Rheumatology and Immunology, Singapore General Hospital, The Academia, Level 4, 20 College Road, Singapore 169856. Email: katyccc@hotmail.com. Accepted for publication January 17, 2020.
Pil Hojgaard
From the Singapore General Hospital, Duke-NUS Medical School, Singapore; Psoriatic Arthritis Program, Division of Rheumatology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA; Medicine and Epidemiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen, Denmark; Concord Repatriation General Hospital, Sydney, Australia; Patient Research Partner, Adjunct Assistant Professor, Duke University School of Medicine, Durham, North Carolina, USA; Patient Research Partner, Hong Kong Psoriatic Arthritis Association, Hong Kong, China; National Institute for Health Research Clinician Scientist, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Division of Immunology/Rheumatology, Stanford University School of Medicine, Palo Alto, California, USA; Division of Rheumatology, University of Toronto, Krembil Research Institute, Toronto; Psoriatic Arthritis Program, University Health Network, Toronto Western Hospital, Toronto, Ontario, Canada; Swedish Medical Center/Providence St. Joseph Health and University of Washington School of Medicine, Seattle, Washington, USA; Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital, Odense, Denmark; Royal National Hospital for Rheumatic Diseases, University of Bath, Bath, UK. YYL is funded by the Clinician Scientist award of the National Medical Research Council, Singapore (NMRC/CSA-INV/0022/2017). The views expressed are those of the author(s) and not necessarily those of the NMRC. AMO is funded by the Jerome L. Greene Foundation Scholar Award, the Staurulakis Family Discovery Award, the Rheumatology Research Foundation, and the US National Institutes of Health (NIH) through the Rheumatic Diseases Resource-based Core Center (P30-AR053503 Cores A and D, and P30-AR070254, Cores A and B). All statements in this report, including its findings and conclusions, are solely those of the authors and do not necessarily represent the views of the NIH, the US National Institute of Arthritis Musculoskeletal and Skin Diseases (NIAMS), or the Rheumatology Research Foundation. PH and RC (The Parker Institute, Bispebjerg and Frederiksberg Hospital) are supported by a core grant from the Oak Foundation (OCAY-18-774-OFIL). LCC is funded by a UK National Institute for Health Research (NIHR) Clinician Scientist award. The research was supported by the NIHR Oxford Biomedical Research Centre (BRC). The views expressed are those of the author(s) and not necessarily those of the UK National Health Service, the NIHR, or the UK Department of Health. AO is funded by the Rheumatology Research Foundation and NIH/NIAMS R01 AR072363. Y.Y. Leung, MB ChB, MD, Associate Professor, Duke-NUS Medical School, Department of Rheumatology and Immunology, Singapore General Hospital; A.M. Orbai, MD, MHS, Assistant Professor of Medicine, Director Psoriatic Arthritis Program, Division of Rheumatology, Johns Hopkins University School of Medicine; A. Ogdie, MD, MSCE, Associate Professor of Medicine and Epidemiology, Perelman School of Medicine, University of Pennsylvania; P. Hojgaard, MD, PhD, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; R. Holland, MBBS, Concord Repatriation General Hospital; N. Goel, MD, Patient Research Partner, Adjunct Assistant Professor, Duke University School of Medicine; J. Chau, BBA, Patient Research Partner; L.C. Coates, MB ChB, PhD, NIHR Clinician Scientist, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; V. Strand, MD, Division of Immunology/Rheumatology, Stanford University School of Medicine; D.D. Gladman, MD, FRCPC, Professor of Medicine, University of Toronto, and Senior Scientist, Krembil Research Institute, and Director, Psoriatic Arthritis Program, University Health Network, Toronto Western Hospital; P.J. Mease, MD, Rheumatology Research, Swedish Medical Center and University of Washington School of Medicine; R. Christensen, BSc, MSc, PhD, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and the Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital; W. Tillett, BSc, MB ChB, PhD, MRCP, Consultant Rheumatologist, Senior Lecturer, Royal National Hospital for Rheumatic Diseases, Pharmacy and Pharmacology, University of Bath. Address correspondence to Dr. Y.Y. Leung, Department of Rheumatology and Immunology, Singapore General Hospital, The Academia, Level 4, 20 College Road, Singapore 169856. Email: katyccc@hotmail.com. Accepted for publication January 17, 2020.
Richard Holland
From the Singapore General Hospital, Duke-NUS Medical School, Singapore; Psoriatic Arthritis Program, Division of Rheumatology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA; Medicine and Epidemiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen, Denmark; Concord Repatriation General Hospital, Sydney, Australia; Patient Research Partner, Adjunct Assistant Professor, Duke University School of Medicine, Durham, North Carolina, USA; Patient Research Partner, Hong Kong Psoriatic Arthritis Association, Hong Kong, China; National Institute for Health Research Clinician Scientist, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Division of Immunology/Rheumatology, Stanford University School of Medicine, Palo Alto, California, USA; Division of Rheumatology, University of Toronto, Krembil Research Institute, Toronto; Psoriatic Arthritis Program, University Health Network, Toronto Western Hospital, Toronto, Ontario, Canada; Swedish Medical Center/Providence St. Joseph Health and University of Washington School of Medicine, Seattle, Washington, USA; Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital, Odense, Denmark; Royal National Hospital for Rheumatic Diseases, University of Bath, Bath, UK. YYL is funded by the Clinician Scientist award of the National Medical Research Council, Singapore (NMRC/CSA-INV/0022/2017). The views expressed are those of the author(s) and not necessarily those of the NMRC. AMO is funded by the Jerome L. Greene Foundation Scholar Award, the Staurulakis Family Discovery Award, the Rheumatology Research Foundation, and the US National Institutes of Health (NIH) through the Rheumatic Diseases Resource-based Core Center (P30-AR053503 Cores A and D, and P30-AR070254, Cores A and B). All statements in this report, including its findings and conclusions, are solely those of the authors and do not necessarily represent the views of the NIH, the US National Institute of Arthritis Musculoskeletal and Skin Diseases (NIAMS), or the Rheumatology Research Foundation. PH and RC (The Parker Institute, Bispebjerg and Frederiksberg Hospital) are supported by a core grant from the Oak Foundation (OCAY-18-774-OFIL). LCC is funded by a UK National Institute for Health Research (NIHR) Clinician Scientist award. The research was supported by the NIHR Oxford Biomedical Research Centre (BRC). The views expressed are those of the author(s) and not necessarily those of the UK National Health Service, the NIHR, or the UK Department of Health. AO is funded by the Rheumatology Research Foundation and NIH/NIAMS R01 AR072363. Y.Y. Leung, MB ChB, MD, Associate Professor, Duke-NUS Medical School, Department of Rheumatology and Immunology, Singapore General Hospital; A.M. Orbai, MD, MHS, Assistant Professor of Medicine, Director Psoriatic Arthritis Program, Division of Rheumatology, Johns Hopkins University School of Medicine; A. Ogdie, MD, MSCE, Associate Professor of Medicine and Epidemiology, Perelman School of Medicine, University of Pennsylvania; P. Hojgaard, MD, PhD, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; R. Holland, MBBS, Concord Repatriation General Hospital; N. Goel, MD, Patient Research Partner, Adjunct Assistant Professor, Duke University School of Medicine; J. Chau, BBA, Patient Research Partner; L.C. Coates, MB ChB, PhD, NIHR Clinician Scientist, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; V. Strand, MD, Division of Immunology/Rheumatology, Stanford University School of Medicine; D.D. Gladman, MD, FRCPC, Professor of Medicine, University of Toronto, and Senior Scientist, Krembil Research Institute, and Director, Psoriatic Arthritis Program, University Health Network, Toronto Western Hospital; P.J. Mease, MD, Rheumatology Research, Swedish Medical Center and University of Washington School of Medicine; R. Christensen, BSc, MSc, PhD, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and the Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital; W. Tillett, BSc, MB ChB, PhD, MRCP, Consultant Rheumatologist, Senior Lecturer, Royal National Hospital for Rheumatic Diseases, Pharmacy and Pharmacology, University of Bath. Address correspondence to Dr. Y.Y. Leung, Department of Rheumatology and Immunology, Singapore General Hospital, The Academia, Level 4, 20 College Road, Singapore 169856. Email: katyccc@hotmail.com. Accepted for publication January 17, 2020.
Niti Goel
From the Singapore General Hospital, Duke-NUS Medical School, Singapore; Psoriatic Arthritis Program, Division of Rheumatology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA; Medicine and Epidemiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen, Denmark; Concord Repatriation General Hospital, Sydney, Australia; Patient Research Partner, Adjunct Assistant Professor, Duke University School of Medicine, Durham, North Carolina, USA; Patient Research Partner, Hong Kong Psoriatic Arthritis Association, Hong Kong, China; National Institute for Health Research Clinician Scientist, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Division of Immunology/Rheumatology, Stanford University School of Medicine, Palo Alto, California, USA; Division of Rheumatology, University of Toronto, Krembil Research Institute, Toronto; Psoriatic Arthritis Program, University Health Network, Toronto Western Hospital, Toronto, Ontario, Canada; Swedish Medical Center/Providence St. Joseph Health and University of Washington School of Medicine, Seattle, Washington, USA; Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital, Odense, Denmark; Royal National Hospital for Rheumatic Diseases, University of Bath, Bath, UK. YYL is funded by the Clinician Scientist award of the National Medical Research Council, Singapore (NMRC/CSA-INV/0022/2017). The views expressed are those of the author(s) and not necessarily those of the NMRC. AMO is funded by the Jerome L. Greene Foundation Scholar Award, the Staurulakis Family Discovery Award, the Rheumatology Research Foundation, and the US National Institutes of Health (NIH) through the Rheumatic Diseases Resource-based Core Center (P30-AR053503 Cores A and D, and P30-AR070254, Cores A and B). All statements in this report, including its findings and conclusions, are solely those of the authors and do not necessarily represent the views of the NIH, the US National Institute of Arthritis Musculoskeletal and Skin Diseases (NIAMS), or the Rheumatology Research Foundation. PH and RC (The Parker Institute, Bispebjerg and Frederiksberg Hospital) are supported by a core grant from the Oak Foundation (OCAY-18-774-OFIL). LCC is funded by a UK National Institute for Health Research (NIHR) Clinician Scientist award. The research was supported by the NIHR Oxford Biomedical Research Centre (BRC). The views expressed are those of the author(s) and not necessarily those of the UK National Health Service, the NIHR, or the UK Department of Health. AO is funded by the Rheumatology Research Foundation and NIH/NIAMS R01 AR072363. Y.Y. Leung, MB ChB, MD, Associate Professor, Duke-NUS Medical School, Department of Rheumatology and Immunology, Singapore General Hospital; A.M. Orbai, MD, MHS, Assistant Professor of Medicine, Director Psoriatic Arthritis Program, Division of Rheumatology, Johns Hopkins University School of Medicine; A. Ogdie, MD, MSCE, Associate Professor of Medicine and Epidemiology, Perelman School of Medicine, University of Pennsylvania; P. Hojgaard, MD, PhD, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; R. Holland, MBBS, Concord Repatriation General Hospital; N. Goel, MD, Patient Research Partner, Adjunct Assistant Professor, Duke University School of Medicine; J. Chau, BBA, Patient Research Partner; L.C. Coates, MB ChB, PhD, NIHR Clinician Scientist, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; V. Strand, MD, Division of Immunology/Rheumatology, Stanford University School of Medicine; D.D. Gladman, MD, FRCPC, Professor of Medicine, University of Toronto, and Senior Scientist, Krembil Research Institute, and Director, Psoriatic Arthritis Program, University Health Network, Toronto Western Hospital; P.J. Mease, MD, Rheumatology Research, Swedish Medical Center and University of Washington School of Medicine; R. Christensen, BSc, MSc, PhD, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and the Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital; W. Tillett, BSc, MB ChB, PhD, MRCP, Consultant Rheumatologist, Senior Lecturer, Royal National Hospital for Rheumatic Diseases, Pharmacy and Pharmacology, University of Bath. Address correspondence to Dr. Y.Y. Leung, Department of Rheumatology and Immunology, Singapore General Hospital, The Academia, Level 4, 20 College Road, Singapore 169856. Email: katyccc@hotmail.com. Accepted for publication January 17, 2020.
Jeffrey Chau
From the Singapore General Hospital, Duke-NUS Medical School, Singapore; Psoriatic Arthritis Program, Division of Rheumatology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA; Medicine and Epidemiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen, Denmark; Concord Repatriation General Hospital, Sydney, Australia; Patient Research Partner, Adjunct Assistant Professor, Duke University School of Medicine, Durham, North Carolina, USA; Patient Research Partner, Hong Kong Psoriatic Arthritis Association, Hong Kong, China; National Institute for Health Research Clinician Scientist, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Division of Immunology/Rheumatology, Stanford University School of Medicine, Palo Alto, California, USA; Division of Rheumatology, University of Toronto, Krembil Research Institute, Toronto; Psoriatic Arthritis Program, University Health Network, Toronto Western Hospital, Toronto, Ontario, Canada; Swedish Medical Center/Providence St. Joseph Health and University of Washington School of Medicine, Seattle, Washington, USA; Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital, Odense, Denmark; Royal National Hospital for Rheumatic Diseases, University of Bath, Bath, UK. YYL is funded by the Clinician Scientist award of the National Medical Research Council, Singapore (NMRC/CSA-INV/0022/2017). The views expressed are those of the author(s) and not necessarily those of the NMRC. AMO is funded by the Jerome L. Greene Foundation Scholar Award, the Staurulakis Family Discovery Award, the Rheumatology Research Foundation, and the US National Institutes of Health (NIH) through the Rheumatic Diseases Resource-based Core Center (P30-AR053503 Cores A and D, and P30-AR070254, Cores A and B). All statements in this report, including its findings and conclusions, are solely those of the authors and do not necessarily represent the views of the NIH, the US National Institute of Arthritis Musculoskeletal and Skin Diseases (NIAMS), or the Rheumatology Research Foundation. PH and RC (The Parker Institute, Bispebjerg and Frederiksberg Hospital) are supported by a core grant from the Oak Foundation (OCAY-18-774-OFIL). LCC is funded by a UK National Institute for Health Research (NIHR) Clinician Scientist award. The research was supported by the NIHR Oxford Biomedical Research Centre (BRC). The views expressed are those of the author(s) and not necessarily those of the UK National Health Service, the NIHR, or the UK Department of Health. AO is funded by the Rheumatology Research Foundation and NIH/NIAMS R01 AR072363. Y.Y. Leung, MB ChB, MD, Associate Professor, Duke-NUS Medical School, Department of Rheumatology and Immunology, Singapore General Hospital; A.M. Orbai, MD, MHS, Assistant Professor of Medicine, Director Psoriatic Arthritis Program, Division of Rheumatology, Johns Hopkins University School of Medicine; A. Ogdie, MD, MSCE, Associate Professor of Medicine and Epidemiology, Perelman School of Medicine, University of Pennsylvania; P. Hojgaard, MD, PhD, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; R. Holland, MBBS, Concord Repatriation General Hospital; N. Goel, MD, Patient Research Partner, Adjunct Assistant Professor, Duke University School of Medicine; J. Chau, BBA, Patient Research Partner; L.C. Coates, MB ChB, PhD, NIHR Clinician Scientist, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; V. Strand, MD, Division of Immunology/Rheumatology, Stanford University School of Medicine; D.D. Gladman, MD, FRCPC, Professor of Medicine, University of Toronto, and Senior Scientist, Krembil Research Institute, and Director, Psoriatic Arthritis Program, University Health Network, Toronto Western Hospital; P.J. Mease, MD, Rheumatology Research, Swedish Medical Center and University of Washington School of Medicine; R. Christensen, BSc, MSc, PhD, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and the Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital; W. Tillett, BSc, MB ChB, PhD, MRCP, Consultant Rheumatologist, Senior Lecturer, Royal National Hospital for Rheumatic Diseases, Pharmacy and Pharmacology, University of Bath. Address correspondence to Dr. Y.Y. Leung, Department of Rheumatology and Immunology, Singapore General Hospital, The Academia, Level 4, 20 College Road, Singapore 169856. Email: katyccc@hotmail.com. Accepted for publication January 17, 2020.
Laura C. Coates
From the Singapore General Hospital, Duke-NUS Medical School, Singapore; Psoriatic Arthritis Program, Division of Rheumatology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA; Medicine and Epidemiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen, Denmark; Concord Repatriation General Hospital, Sydney, Australia; Patient Research Partner, Adjunct Assistant Professor, Duke University School of Medicine, Durham, North Carolina, USA; Patient Research Partner, Hong Kong Psoriatic Arthritis Association, Hong Kong, China; National Institute for Health Research Clinician Scientist, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Division of Immunology/Rheumatology, Stanford University School of Medicine, Palo Alto, California, USA; Division of Rheumatology, University of Toronto, Krembil Research Institute, Toronto; Psoriatic Arthritis Program, University Health Network, Toronto Western Hospital, Toronto, Ontario, Canada; Swedish Medical Center/Providence St. Joseph Health and University of Washington School of Medicine, Seattle, Washington, USA; Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital, Odense, Denmark; Royal National Hospital for Rheumatic Diseases, University of Bath, Bath, UK. YYL is funded by the Clinician Scientist award of the National Medical Research Council, Singapore (NMRC/CSA-INV/0022/2017). The views expressed are those of the author(s) and not necessarily those of the NMRC. AMO is funded by the Jerome L. Greene Foundation Scholar Award, the Staurulakis Family Discovery Award, the Rheumatology Research Foundation, and the US National Institutes of Health (NIH) through the Rheumatic Diseases Resource-based Core Center (P30-AR053503 Cores A and D, and P30-AR070254, Cores A and B). All statements in this report, including its findings and conclusions, are solely those of the authors and do not necessarily represent the views of the NIH, the US National Institute of Arthritis Musculoskeletal and Skin Diseases (NIAMS), or the Rheumatology Research Foundation. PH and RC (The Parker Institute, Bispebjerg and Frederiksberg Hospital) are supported by a core grant from the Oak Foundation (OCAY-18-774-OFIL). LCC is funded by a UK National Institute for Health Research (NIHR) Clinician Scientist award. The research was supported by the NIHR Oxford Biomedical Research Centre (BRC). The views expressed are those of the author(s) and not necessarily those of the UK National Health Service, the NIHR, or the UK Department of Health. AO is funded by the Rheumatology Research Foundation and NIH/NIAMS R01 AR072363. Y.Y. Leung, MB ChB, MD, Associate Professor, Duke-NUS Medical School, Department of Rheumatology and Immunology, Singapore General Hospital; A.M. Orbai, MD, MHS, Assistant Professor of Medicine, Director Psoriatic Arthritis Program, Division of Rheumatology, Johns Hopkins University School of Medicine; A. Ogdie, MD, MSCE, Associate Professor of Medicine and Epidemiology, Perelman School of Medicine, University of Pennsylvania; P. Hojgaard, MD, PhD, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; R. Holland, MBBS, Concord Repatriation General Hospital; N. Goel, MD, Patient Research Partner, Adjunct Assistant Professor, Duke University School of Medicine; J. Chau, BBA, Patient Research Partner; L.C. Coates, MB ChB, PhD, NIHR Clinician Scientist, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; V. Strand, MD, Division of Immunology/Rheumatology, Stanford University School of Medicine; D.D. Gladman, MD, FRCPC, Professor of Medicine, University of Toronto, and Senior Scientist, Krembil Research Institute, and Director, Psoriatic Arthritis Program, University Health Network, Toronto Western Hospital; P.J. Mease, MD, Rheumatology Research, Swedish Medical Center and University of Washington School of Medicine; R. Christensen, BSc, MSc, PhD, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and the Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital; W. Tillett, BSc, MB ChB, PhD, MRCP, Consultant Rheumatologist, Senior Lecturer, Royal National Hospital for Rheumatic Diseases, Pharmacy and Pharmacology, University of Bath. Address correspondence to Dr. Y.Y. Leung, Department of Rheumatology and Immunology, Singapore General Hospital, The Academia, Level 4, 20 College Road, Singapore 169856. Email: katyccc@hotmail.com. Accepted for publication January 17, 2020.
Vibeke Strand
From the Singapore General Hospital, Duke-NUS Medical School, Singapore; Psoriatic Arthritis Program, Division of Rheumatology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA; Medicine and Epidemiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen, Denmark; Concord Repatriation General Hospital, Sydney, Australia; Patient Research Partner, Adjunct Assistant Professor, Duke University School of Medicine, Durham, North Carolina, USA; Patient Research Partner, Hong Kong Psoriatic Arthritis Association, Hong Kong, China; National Institute for Health Research Clinician Scientist, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Division of Immunology/Rheumatology, Stanford University School of Medicine, Palo Alto, California, USA; Division of Rheumatology, University of Toronto, Krembil Research Institute, Toronto; Psoriatic Arthritis Program, University Health Network, Toronto Western Hospital, Toronto, Ontario, Canada; Swedish Medical Center/Providence St. Joseph Health and University of Washington School of Medicine, Seattle, Washington, USA; Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital, Odense, Denmark; Royal National Hospital for Rheumatic Diseases, University of Bath, Bath, UK. YYL is funded by the Clinician Scientist award of the National Medical Research Council, Singapore (NMRC/CSA-INV/0022/2017). The views expressed are those of the author(s) and not necessarily those of the NMRC. AMO is funded by the Jerome L. Greene Foundation Scholar Award, the Staurulakis Family Discovery Award, the Rheumatology Research Foundation, and the US National Institutes of Health (NIH) through the Rheumatic Diseases Resource-based Core Center (P30-AR053503 Cores A and D, and P30-AR070254, Cores A and B). All statements in this report, including its findings and conclusions, are solely those of the authors and do not necessarily represent the views of the NIH, the US National Institute of Arthritis Musculoskeletal and Skin Diseases (NIAMS), or the Rheumatology Research Foundation. PH and RC (The Parker Institute, Bispebjerg and Frederiksberg Hospital) are supported by a core grant from the Oak Foundation (OCAY-18-774-OFIL). LCC is funded by a UK National Institute for Health Research (NIHR) Clinician Scientist award. The research was supported by the NIHR Oxford Biomedical Research Centre (BRC). The views expressed are those of the author(s) and not necessarily those of the UK National Health Service, the NIHR, or the UK Department of Health. AO is funded by the Rheumatology Research Foundation and NIH/NIAMS R01 AR072363. Y.Y. Leung, MB ChB, MD, Associate Professor, Duke-NUS Medical School, Department of Rheumatology and Immunology, Singapore General Hospital; A.M. Orbai, MD, MHS, Assistant Professor of Medicine, Director Psoriatic Arthritis Program, Division of Rheumatology, Johns Hopkins University School of Medicine; A. Ogdie, MD, MSCE, Associate Professor of Medicine and Epidemiology, Perelman School of Medicine, University of Pennsylvania; P. Hojgaard, MD, PhD, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; R. Holland, MBBS, Concord Repatriation General Hospital; N. Goel, MD, Patient Research Partner, Adjunct Assistant Professor, Duke University School of Medicine; J. Chau, BBA, Patient Research Partner; L.C. Coates, MB ChB, PhD, NIHR Clinician Scientist, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; V. Strand, MD, Division of Immunology/Rheumatology, Stanford University School of Medicine; D.D. Gladman, MD, FRCPC, Professor of Medicine, University of Toronto, and Senior Scientist, Krembil Research Institute, and Director, Psoriatic Arthritis Program, University Health Network, Toronto Western Hospital; P.J. Mease, MD, Rheumatology Research, Swedish Medical Center and University of Washington School of Medicine; R. Christensen, BSc, MSc, PhD, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and the Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital; W. Tillett, BSc, MB ChB, PhD, MRCP, Consultant Rheumatologist, Senior Lecturer, Royal National Hospital for Rheumatic Diseases, Pharmacy and Pharmacology, University of Bath. Address correspondence to Dr. Y.Y. Leung, Department of Rheumatology and Immunology, Singapore General Hospital, The Academia, Level 4, 20 College Road, Singapore 169856. Email: katyccc@hotmail.com. Accepted for publication January 17, 2020.
Dafna D. Gladman
From the Singapore General Hospital, Duke-NUS Medical School, Singapore; Psoriatic Arthritis Program, Division of Rheumatology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA; Medicine and Epidemiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen, Denmark; Concord Repatriation General Hospital, Sydney, Australia; Patient Research Partner, Adjunct Assistant Professor, Duke University School of Medicine, Durham, North Carolina, USA; Patient Research Partner, Hong Kong Psoriatic Arthritis Association, Hong Kong, China; National Institute for Health Research Clinician Scientist, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Division of Immunology/Rheumatology, Stanford University School of Medicine, Palo Alto, California, USA; Division of Rheumatology, University of Toronto, Krembil Research Institute, Toronto; Psoriatic Arthritis Program, University Health Network, Toronto Western Hospital, Toronto, Ontario, Canada; Swedish Medical Center/Providence St. Joseph Health and University of Washington School of Medicine, Seattle, Washington, USA; Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital, Odense, Denmark; Royal National Hospital for Rheumatic Diseases, University of Bath, Bath, UK. YYL is funded by the Clinician Scientist award of the National Medical Research Council, Singapore (NMRC/CSA-INV/0022/2017). The views expressed are those of the author(s) and not necessarily those of the NMRC. AMO is funded by the Jerome L. Greene Foundation Scholar Award, the Staurulakis Family Discovery Award, the Rheumatology Research Foundation, and the US National Institutes of Health (NIH) through the Rheumatic Diseases Resource-based Core Center (P30-AR053503 Cores A and D, and P30-AR070254, Cores A and B). All statements in this report, including its findings and conclusions, are solely those of the authors and do not necessarily represent the views of the NIH, the US National Institute of Arthritis Musculoskeletal and Skin Diseases (NIAMS), or the Rheumatology Research Foundation. PH and RC (The Parker Institute, Bispebjerg and Frederiksberg Hospital) are supported by a core grant from the Oak Foundation (OCAY-18-774-OFIL). LCC is funded by a UK National Institute for Health Research (NIHR) Clinician Scientist award. The research was supported by the NIHR Oxford Biomedical Research Centre (BRC). The views expressed are those of the author(s) and not necessarily those of the UK National Health Service, the NIHR, or the UK Department of Health. AO is funded by the Rheumatology Research Foundation and NIH/NIAMS R01 AR072363. Y.Y. Leung, MB ChB, MD, Associate Professor, Duke-NUS Medical School, Department of Rheumatology and Immunology, Singapore General Hospital; A.M. Orbai, MD, MHS, Assistant Professor of Medicine, Director Psoriatic Arthritis Program, Division of Rheumatology, Johns Hopkins University School of Medicine; A. Ogdie, MD, MSCE, Associate Professor of Medicine and Epidemiology, Perelman School of Medicine, University of Pennsylvania; P. Hojgaard, MD, PhD, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; R. Holland, MBBS, Concord Repatriation General Hospital; N. Goel, MD, Patient Research Partner, Adjunct Assistant Professor, Duke University School of Medicine; J. Chau, BBA, Patient Research Partner; L.C. Coates, MB ChB, PhD, NIHR Clinician Scientist, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; V. Strand, MD, Division of Immunology/Rheumatology, Stanford University School of Medicine; D.D. Gladman, MD, FRCPC, Professor of Medicine, University of Toronto, and Senior Scientist, Krembil Research Institute, and Director, Psoriatic Arthritis Program, University Health Network, Toronto Western Hospital; P.J. Mease, MD, Rheumatology Research, Swedish Medical Center and University of Washington School of Medicine; R. Christensen, BSc, MSc, PhD, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and the Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital; W. Tillett, BSc, MB ChB, PhD, MRCP, Consultant Rheumatologist, Senior Lecturer, Royal National Hospital for Rheumatic Diseases, Pharmacy and Pharmacology, University of Bath. Address correspondence to Dr. Y.Y. Leung, Department of Rheumatology and Immunology, Singapore General Hospital, The Academia, Level 4, 20 College Road, Singapore 169856. Email: katyccc@hotmail.com. Accepted for publication January 17, 2020.
Philip J. Mease
From the Singapore General Hospital, Duke-NUS Medical School, Singapore; Psoriatic Arthritis Program, Division of Rheumatology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA; Medicine and Epidemiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen, Denmark; Concord Repatriation General Hospital, Sydney, Australia; Patient Research Partner, Adjunct Assistant Professor, Duke University School of Medicine, Durham, North Carolina, USA; Patient Research Partner, Hong Kong Psoriatic Arthritis Association, Hong Kong, China; National Institute for Health Research Clinician Scientist, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Division of Immunology/Rheumatology, Stanford University School of Medicine, Palo Alto, California, USA; Division of Rheumatology, University of Toronto, Krembil Research Institute, Toronto; Psoriatic Arthritis Program, University Health Network, Toronto Western Hospital, Toronto, Ontario, Canada; Swedish Medical Center/Providence St. Joseph Health and University of Washington School of Medicine, Seattle, Washington, USA; Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital, Odense, Denmark; Royal National Hospital for Rheumatic Diseases, University of Bath, Bath, UK. YYL is funded by the Clinician Scientist award of the National Medical Research Council, Singapore (NMRC/CSA-INV/0022/2017). The views expressed are those of the author(s) and not necessarily those of the NMRC. AMO is funded by the Jerome L. Greene Foundation Scholar Award, the Staurulakis Family Discovery Award, the Rheumatology Research Foundation, and the US National Institutes of Health (NIH) through the Rheumatic Diseases Resource-based Core Center (P30-AR053503 Cores A and D, and P30-AR070254, Cores A and B). All statements in this report, including its findings and conclusions, are solely those of the authors and do not necessarily represent the views of the NIH, the US National Institute of Arthritis Musculoskeletal and Skin Diseases (NIAMS), or the Rheumatology Research Foundation. PH and RC (The Parker Institute, Bispebjerg and Frederiksberg Hospital) are supported by a core grant from the Oak Foundation (OCAY-18-774-OFIL). LCC is funded by a UK National Institute for Health Research (NIHR) Clinician Scientist award. The research was supported by the NIHR Oxford Biomedical Research Centre (BRC). The views expressed are those of the author(s) and not necessarily those of the UK National Health Service, the NIHR, or the UK Department of Health. AO is funded by the Rheumatology Research Foundation and NIH/NIAMS R01 AR072363. Y.Y. Leung, MB ChB, MD, Associate Professor, Duke-NUS Medical School, Department of Rheumatology and Immunology, Singapore General Hospital; A.M. Orbai, MD, MHS, Assistant Professor of Medicine, Director Psoriatic Arthritis Program, Division of Rheumatology, Johns Hopkins University School of Medicine; A. Ogdie, MD, MSCE, Associate Professor of Medicine and Epidemiology, Perelman School of Medicine, University of Pennsylvania; P. Hojgaard, MD, PhD, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; R. Holland, MBBS, Concord Repatriation General Hospital; N. Goel, MD, Patient Research Partner, Adjunct Assistant Professor, Duke University School of Medicine; J. Chau, BBA, Patient Research Partner; L.C. Coates, MB ChB, PhD, NIHR Clinician Scientist, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; V. Strand, MD, Division of Immunology/Rheumatology, Stanford University School of Medicine; D.D. Gladman, MD, FRCPC, Professor of Medicine, University of Toronto, and Senior Scientist, Krembil Research Institute, and Director, Psoriatic Arthritis Program, University Health Network, Toronto Western Hospital; P.J. Mease, MD, Rheumatology Research, Swedish Medical Center and University of Washington School of Medicine; R. Christensen, BSc, MSc, PhD, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and the Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital; W. Tillett, BSc, MB ChB, PhD, MRCP, Consultant Rheumatologist, Senior Lecturer, Royal National Hospital for Rheumatic Diseases, Pharmacy and Pharmacology, University of Bath. Address correspondence to Dr. Y.Y. Leung, Department of Rheumatology and Immunology, Singapore General Hospital, The Academia, Level 4, 20 College Road, Singapore 169856. Email: katyccc@hotmail.com. Accepted for publication January 17, 2020.
Robin Christensen
From the Singapore General Hospital, Duke-NUS Medical School, Singapore; Psoriatic Arthritis Program, Division of Rheumatology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA; Medicine and Epidemiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen, Denmark; Concord Repatriation General Hospital, Sydney, Australia; Patient Research Partner, Adjunct Assistant Professor, Duke University School of Medicine, Durham, North Carolina, USA; Patient Research Partner, Hong Kong Psoriatic Arthritis Association, Hong Kong, China; National Institute for Health Research Clinician Scientist, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Division of Immunology/Rheumatology, Stanford University School of Medicine, Palo Alto, California, USA; Division of Rheumatology, University of Toronto, Krembil Research Institute, Toronto; Psoriatic Arthritis Program, University Health Network, Toronto Western Hospital, Toronto, Ontario, Canada; Swedish Medical Center/Providence St. Joseph Health and University of Washington School of Medicine, Seattle, Washington, USA; Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital, Odense, Denmark; Royal National Hospital for Rheumatic Diseases, University of Bath, Bath, UK. YYL is funded by the Clinician Scientist award of the National Medical Research Council, Singapore (NMRC/CSA-INV/0022/2017). The views expressed are those of the author(s) and not necessarily those of the NMRC. AMO is funded by the Jerome L. Greene Foundation Scholar Award, the Staurulakis Family Discovery Award, the Rheumatology Research Foundation, and the US National Institutes of Health (NIH) through the Rheumatic Diseases Resource-based Core Center (P30-AR053503 Cores A and D, and P30-AR070254, Cores A and B). All statements in this report, including its findings and conclusions, are solely those of the authors and do not necessarily represent the views of the NIH, the US National Institute of Arthritis Musculoskeletal and Skin Diseases (NIAMS), or the Rheumatology Research Foundation. PH and RC (The Parker Institute, Bispebjerg and Frederiksberg Hospital) are supported by a core grant from the Oak Foundation (OCAY-18-774-OFIL). LCC is funded by a UK National Institute for Health Research (NIHR) Clinician Scientist award. The research was supported by the NIHR Oxford Biomedical Research Centre (BRC). The views expressed are those of the author(s) and not necessarily those of the UK National Health Service, the NIHR, or the UK Department of Health. AO is funded by the Rheumatology Research Foundation and NIH/NIAMS R01 AR072363. Y.Y. Leung, MB ChB, MD, Associate Professor, Duke-NUS Medical School, Department of Rheumatology and Immunology, Singapore General Hospital; A.M. Orbai, MD, MHS, Assistant Professor of Medicine, Director Psoriatic Arthritis Program, Division of Rheumatology, Johns Hopkins University School of Medicine; A. Ogdie, MD, MSCE, Associate Professor of Medicine and Epidemiology, Perelman School of Medicine, University of Pennsylvania; P. Hojgaard, MD, PhD, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; R. Holland, MBBS, Concord Repatriation General Hospital; N. Goel, MD, Patient Research Partner, Adjunct Assistant Professor, Duke University School of Medicine; J. Chau, BBA, Patient Research Partner; L.C. Coates, MB ChB, PhD, NIHR Clinician Scientist, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; V. Strand, MD, Division of Immunology/Rheumatology, Stanford University School of Medicine; D.D. Gladman, MD, FRCPC, Professor of Medicine, University of Toronto, and Senior Scientist, Krembil Research Institute, and Director, Psoriatic Arthritis Program, University Health Network, Toronto Western Hospital; P.J. Mease, MD, Rheumatology Research, Swedish Medical Center and University of Washington School of Medicine; R. Christensen, BSc, MSc, PhD, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and the Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital; W. Tillett, BSc, MB ChB, PhD, MRCP, Consultant Rheumatologist, Senior Lecturer, Royal National Hospital for Rheumatic Diseases, Pharmacy and Pharmacology, University of Bath. Address correspondence to Dr. Y.Y. Leung, Department of Rheumatology and Immunology, Singapore General Hospital, The Academia, Level 4, 20 College Road, Singapore 169856. Email: katyccc@hotmail.com. Accepted for publication January 17, 2020.
William Tille
From the Singapore General Hospital, Duke-NUS Medical School, Singapore; Psoriatic Arthritis Program, Division of Rheumatology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA; Medicine and Epidemiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen, Denmark; Concord Repatriation General Hospital, Sydney, Australia; Patient Research Partner, Adjunct Assistant Professor, Duke University School of Medicine, Durham, North Carolina, USA; Patient Research Partner, Hong Kong Psoriatic Arthritis Association, Hong Kong, China; National Institute for Health Research Clinician Scientist, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Division of Immunology/Rheumatology, Stanford University School of Medicine, Palo Alto, California, USA; Division of Rheumatology, University of Toronto, Krembil Research Institute, Toronto; Psoriatic Arthritis Program, University Health Network, Toronto Western Hospital, Toronto, Ontario, Canada; Swedish Medical Center/Providence St. Joseph Health and University of Washington School of Medicine, Seattle, Washington, USA; Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital, Odense, Denmark; Royal National Hospital for Rheumatic Diseases, University of Bath, Bath, UK. YYL is funded by the Clinician Scientist award of the National Medical Research Council, Singapore (NMRC/CSA-INV/0022/2017). The views expressed are those of the author(s) and not necessarily those of the NMRC. AMO is funded by the Jerome L. Greene Foundation Scholar Award, the Staurulakis Family Discovery Award, the Rheumatology Research Foundation, and the US National Institutes of Health (NIH) through the Rheumatic Diseases Resource-based Core Center (P30-AR053503 Cores A and D, and P30-AR070254, Cores A and B). All statements in this report, including its findings and conclusions, are solely those of the authors and do not necessarily represent the views of the NIH, the US National Institute of Arthritis Musculoskeletal and Skin Diseases (NIAMS), or the Rheumatology Research Foundation. PH and RC (The Parker Institute, Bispebjerg and Frederiksberg Hospital) are supported by a core grant from the Oak Foundation (OCAY-18-774-OFIL). LCC is funded by a UK National Institute for Health Research (NIHR) Clinician Scientist award. The research was supported by the NIHR Oxford Biomedical Research Centre (BRC). The views expressed are those of the author(s) and not necessarily those of the UK National Health Service, the NIHR, or the UK Department of Health. AO is funded by the Rheumatology Research Foundation and NIH/NIAMS R01 AR072363. Y.Y. Leung, MB ChB, MD, Associate Professor, Duke-NUS Medical School, Department of Rheumatology and Immunology, Singapore General Hospital; A.M. Orbai, MD, MHS, Assistant Professor of Medicine, Director Psoriatic Arthritis Program, Division of Rheumatology, Johns Hopkins University School of Medicine; A. Ogdie, MD, MSCE, Associate Professor of Medicine and Epidemiology, Perelman School of Medicine, University of Pennsylvania; P. Hojgaard, MD, PhD, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; R. Holland, MBBS, Concord Repatriation General Hospital; N. Goel, MD, Patient Research Partner, Adjunct Assistant Professor, Duke University School of Medicine; J. Chau, BBA, Patient Research Partner; L.C. Coates, MB ChB, PhD, NIHR Clinician Scientist, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; V. Strand, MD, Division of Immunology/Rheumatology, Stanford University School of Medicine; D.D. Gladman, MD, FRCPC, Professor of Medicine, University of Toronto, and Senior Scientist, Krembil Research Institute, and Director, Psoriatic Arthritis Program, University Health Network, Toronto Western Hospital; P.J. Mease, MD, Rheumatology Research, Swedish Medical Center and University of Washington School of Medicine; R. Christensen, BSc, MSc, PhD, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and the Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital; W. Tillett, BSc, MB ChB, PhD, MRCP, Consultant Rheumatologist, Senior Lecturer, Royal National Hospital for Rheumatic Diseases, Pharmacy and Pharmacology, University of Bath. Address correspondence to Dr. Y.Y. Leung, Department of Rheumatology and Immunology, Singapore General Hospital, The Academia, Level 4, 20 College Road, Singapore 169856. Email: katyccc@hotmail.com. Accepted for publication January 17, 2020.
In this issue
The Journal of Rheumatology
Vol. 51, Issue 3
1 Mar 2024
Appraisal of Candidate Instruments for Assessment of the Physical Function Domain in Patients with Psoriatic Arthritis
Ying Ying Leung, Ana-Maria Orbai, Alexis Ogdie, Pil Hojgaard, Richard Holland, Niti Goel, Jeffrey Chau, Laura C. Coates, Vibeke Strand, Dafna D. Gladman, Philip J. Mease, Robin Christensen, William Tille
The Journal of Rheumatology Feb 2020, jrheum.191119; DOI: 10.3899/jrheum.191119
Appraisal of Candidate Instruments for Assessment of the Physical Function Domain in Patients with Psoriatic Arthritis
Ying Ying Leung, Ana-Maria Orbai, Alexis Ogdie, Pil Hojgaard, Richard Holland, Niti Goel, Jeffrey Chau, Laura C. Coates, Vibeke Strand, Dafna D. Gladman, Philip J. Mease, Robin Christensen, William Tille
The Journal of Rheumatology Feb 2020, jrheum.191119; DOI: 10.3899/jrheum.191119