Outcomes Measured in Polymyalgia Rheumatica and Measurement Properties of Instruments Considered for the OMERACT Core Outcome Set: A Systematic Review

From the Primary Care Centre Versus Arthritis, School of Primary, Community and Social Care, Keele University, UK; Department of Rheumatology, Austin Health, Melbourne, Australia; Department of Medicine, University of Melbourne, Melbourne, Australia; Academic Department of Primary Medical Care, University of Sheffield, UK; Rheumatology Unit, The Queen Elizabeth and Royal Adelaide Hospitals, Adelaide, Australia; Discipline of Medicine, The University of Adelaide, Adelaide, Australia; Ottawa Hospital Research Institute, University of Ottawa, Ottawa, Canada; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, UK; NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, UK; Midlands Partnership Foundation Trust, Staffordshire, UK. This work was supported by a Wellcome Trust PhD Programme for Primary Care Clinicians [203921/Z/16/Z] which supports Helen Twohig. CDM is funded by the National Institute for Health Research (NIHR) Applied Research Collaboration (ARC) West Midlands, the NIHR School for Primary Care Research and a NIHR Research Professorship in General Practice (NIHR-RP-2014-04-026). The views expressed in this paper are those of the author(s) and not necessarily those of the NHS, the NIHR, or the Department of Health and Social Care. Address correspondence to Helen Twohig, Primary Care Centre Versus Arthritis, School of Primary, Community and Social Care, Keele University, UK. h.j.twohig@keele.ac.uk

From the Primary Care Centre Versus Arthritis, School of Primary, Community and Social Care, Keele University, UK; Department of Rheumatology, Austin Health, Melbourne, Australia; Department of Medicine, University of Melbourne, Melbourne, Australia; Academic Department of Primary Medical Care, University of Sheffield, UK; Rheumatology Unit, The Queen Elizabeth and Royal Adelaide Hospitals, Adelaide, Australia; Discipline of Medicine, The University of Adelaide, Adelaide, Australia; Ottawa Hospital Research Institute, University of Ottawa, Ottawa, Canada; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, UK; NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, UK; Midlands Partnership Foundation Trust, Staffordshire, UK. This work was supported by a Wellcome Trust PhD Programme for Primary Care Clinicians [203921/Z/16/Z] which supports Helen Twohig. CDM is funded by the National Institute for Health Research (NIHR) Applied Research Collaboration (ARC) West Midlands, the NIHR School for Primary Care Research and a NIHR Research Professorship in General Practice (NIHR-RP-2014-04-026). The views expressed in this paper are those of the author(s) and not necessarily those of the NHS, the NIHR, or the Department of Health and Social Care. Address correspondence to Helen Twohig, Primary Care Centre Versus Arthritis, School of Primary, Community and Social Care, Keele University, UK. h.j.twohig@keele.ac.uk

From the Primary Care Centre Versus Arthritis, School of Primary, Community and Social Care, Keele University, UK; Department of Rheumatology, Austin Health, Melbourne, Australia; Department of Medicine, University of Melbourne, Melbourne, Australia; Academic Department of Primary Medical Care, University of Sheffield, UK; Rheumatology Unit, The Queen Elizabeth and Royal Adelaide Hospitals, Adelaide, Australia; Discipline of Medicine, The University of Adelaide, Adelaide, Australia; Ottawa Hospital Research Institute, University of Ottawa, Ottawa, Canada; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, UK; NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, UK; Midlands Partnership Foundation Trust, Staffordshire, UK. This work was supported by a Wellcome Trust PhD Programme for Primary Care Clinicians [203921/Z/16/Z] which supports Helen Twohig. CDM is funded by the National Institute for Health Research (NIHR) Applied Research Collaboration (ARC) West Midlands, the NIHR School for Primary Care Research and a NIHR Research Professorship in General Practice (NIHR-RP-2014-04-026). The views expressed in this paper are those of the author(s) and not necessarily those of the NHS, the NIHR, or the Department of Health and Social Care. Address correspondence to Helen Twohig, Primary Care Centre Versus Arthritis, School of Primary, Community and Social Care, Keele University, UK. h.j.twohig@keele.ac.uk

From the Primary Care Centre Versus Arthritis, School of Primary, Community and Social Care, Keele University, UK; Department of Rheumatology, Austin Health, Melbourne, Australia; Department of Medicine, University of Melbourne, Melbourne, Australia; Academic Department of Primary Medical Care, University of Sheffield, UK; Rheumatology Unit, The Queen Elizabeth and Royal Adelaide Hospitals, Adelaide, Australia; Discipline of Medicine, The University of Adelaide, Adelaide, Australia; Ottawa Hospital Research Institute, University of Ottawa, Ottawa, Canada; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, UK; NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, UK; Midlands Partnership Foundation Trust, Staffordshire, UK. This work was supported by a Wellcome Trust PhD Programme for Primary Care Clinicians [203921/Z/16/Z] which supports Helen Twohig. CDM is funded by the National Institute for Health Research (NIHR) Applied Research Collaboration (ARC) West Midlands, the NIHR School for Primary Care Research and a NIHR Research Professorship in General Practice (NIHR-RP-2014-04-026). The views expressed in this paper are those of the author(s) and not necessarily those of the NHS, the NIHR, or the Department of Health and Social Care. Address correspondence to Helen Twohig, Primary Care Centre Versus Arthritis, School of Primary, Community and Social Care, Keele University, UK. h.j.twohig@keele.ac.uk

From the Primary Care Centre Versus Arthritis, School of Primary, Community and Social Care, Keele University, UK; Department of Rheumatology, Austin Health, Melbourne, Australia; Department of Medicine, University of Melbourne, Melbourne, Australia; Academic Department of Primary Medical Care, University of Sheffield, UK; Rheumatology Unit, The Queen Elizabeth and Royal Adelaide Hospitals, Adelaide, Australia; Discipline of Medicine, The University of Adelaide, Adelaide, Australia; Ottawa Hospital Research Institute, University of Ottawa, Ottawa, Canada; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, UK; NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, UK; Midlands Partnership Foundation Trust, Staffordshire, UK. This work was supported by a Wellcome Trust PhD Programme for Primary Care Clinicians [203921/Z/16/Z] which supports Helen Twohig. CDM is funded by the National Institute for Health Research (NIHR) Applied Research Collaboration (ARC) West Midlands, the NIHR School for Primary Care Research and a NIHR Research Professorship in General Practice (NIHR-RP-2014-04-026). The views expressed in this paper are those of the author(s) and not necessarily those of the NHS, the NIHR, or the Department of Health and Social Care. Address correspondence to Helen Twohig, Primary Care Centre Versus Arthritis, School of Primary, Community and Social Care, Keele University, UK. h.j.twohig@keele.ac.uk

From the Primary Care Centre Versus Arthritis, School of Primary, Community and Social Care, Keele University, UK; Department of Rheumatology, Austin Health, Melbourne, Australia; Department of Medicine, University of Melbourne, Melbourne, Australia; Academic Department of Primary Medical Care, University of Sheffield, UK; Rheumatology Unit, The Queen Elizabeth and Royal Adelaide Hospitals, Adelaide, Australia; Discipline of Medicine, The University of Adelaide, Adelaide, Australia; Ottawa Hospital Research Institute, University of Ottawa, Ottawa, Canada; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, UK; NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, UK; Midlands Partnership Foundation Trust, Staffordshire, UK. This work was supported by a Wellcome Trust PhD Programme for Primary Care Clinicians [203921/Z/16/Z] which supports Helen Twohig. CDM is funded by the National Institute for Health Research (NIHR) Applied Research Collaboration (ARC) West Midlands, the NIHR School for Primary Care Research and a NIHR Research Professorship in General Practice (NIHR-RP-2014-04-026). The views expressed in this paper are those of the author(s) and not necessarily those of the NHS, the NIHR, or the Department of Health and Social Care. Address correspondence to Helen Twohig, Primary Care Centre Versus Arthritis, School of Primary, Community and Social Care, Keele University, UK. h.j.twohig@keele.ac.uk

From the Primary Care Centre Versus Arthritis, School of Primary, Community and Social Care, Keele University, UK; Department of Rheumatology, Austin Health, Melbourne, Australia; Department of Medicine, University of Melbourne, Melbourne, Australia; Academic Department of Primary Medical Care, University of Sheffield, UK; Rheumatology Unit, The Queen Elizabeth and Royal Adelaide Hospitals, Adelaide, Australia; Discipline of Medicine, The University of Adelaide, Adelaide, Australia; Ottawa Hospital Research Institute, University of Ottawa, Ottawa, Canada; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, UK; NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, UK; Midlands Partnership Foundation Trust, Staffordshire, UK. This work was supported by a Wellcome Trust PhD Programme for Primary Care Clinicians [203921/Z/16/Z] which supports Helen Twohig. CDM is funded by the National Institute for Health Research (NIHR) Applied Research Collaboration (ARC) West Midlands, the NIHR School for Primary Care Research and a NIHR Research Professorship in General Practice (NIHR-RP-2014-04-026). The views expressed in this paper are those of the author(s) and not necessarily those of the NHS, the NIHR, or the Department of Health and Social Care. Address correspondence to Helen Twohig, Primary Care Centre Versus Arthritis, School of Primary, Community and Social Care, Keele University, UK. h.j.twohig@keele.ac.uk

From the Primary Care Centre Versus Arthritis, School of Primary, Community and Social Care, Keele University, UK; Department of Rheumatology, Austin Health, Melbourne, Australia; Department of Medicine, University of Melbourne, Melbourne, Australia; Academic Department of Primary Medical Care, University of Sheffield, UK; Rheumatology Unit, The Queen Elizabeth and Royal Adelaide Hospitals, Adelaide, Australia; Discipline of Medicine, The University of Adelaide, Adelaide, Australia; Ottawa Hospital Research Institute, University of Ottawa, Ottawa, Canada; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, UK; NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, UK; Midlands Partnership Foundation Trust, Staffordshire, UK. This work was supported by a Wellcome Trust PhD Programme for Primary Care Clinicians [203921/Z/16/Z] which supports Helen Twohig. CDM is funded by the National Institute for Health Research (NIHR) Applied Research Collaboration (ARC) West Midlands, the NIHR School for Primary Care Research and a NIHR Research Professorship in General Practice (NIHR-RP-2014-04-026). The views expressed in this paper are those of the author(s) and not necessarily those of the NHS, the NIHR, or the Department of Health and Social Care. Address correspondence to Helen Twohig, Primary Care Centre Versus Arthritis, School of Primary, Community and Social Care, Keele University, UK. h.j.twohig@keele.ac.uk

From the Primary Care Centre Versus Arthritis, School of Primary, Community and Social Care, Keele University, UK; Department of Rheumatology, Austin Health, Melbourne, Australia; Department of Medicine, University of Melbourne, Melbourne, Australia; Academic Department of Primary Medical Care, University of Sheffield, UK; Rheumatology Unit, The Queen Elizabeth and Royal Adelaide Hospitals, Adelaide, Australia; Discipline of Medicine, The University of Adelaide, Adelaide, Australia; Ottawa Hospital Research Institute, University of Ottawa, Ottawa, Canada; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, UK; NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, UK; Midlands Partnership Foundation Trust, Staffordshire, UK. This work was supported by a Wellcome Trust PhD Programme for Primary Care Clinicians [203921/Z/16/Z] which supports Helen Twohig. CDM is funded by the National Institute for Health Research (NIHR) Applied Research Collaboration (ARC) West Midlands, the NIHR School for Primary Care Research and a NIHR Research Professorship in General Practice (NIHR-RP-2014-04-026). The views expressed in this paper are those of the author(s) and not necessarily those of the NHS, the NIHR, or the Department of Health and Social Care. Address correspondence to Helen Twohig, Primary Care Centre Versus Arthritis, School of Primary, Community and Social Care, Keele University, UK. h.j.twohig@keele.ac.uk