Comparing the visual analogue scale (VAS) and the numerical rating scale (NRS) in patient reported outcomes in psoriatic arthritis

Oxford University Clinical Academic Graduate School, Room 3A31, The Cairns Library IT Corridor, Level 3, John Radcliffe Hospital, Oxford, OX3 9DU;ford, The Botnar Research Centre, Old Road, Oxford, OX3 7LD; NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, and Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, LS7 4SA; Bradford Teaching Hospitals NHS Foundation Trust, St Lukes Hospital, Little Horton Lane, Bradford, BD5 0NA; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Chapel Allerton Hospital, Leeds LS7 4SA. Funding: Weiyu Ye is an NIHR Academic Clinical Fellow. Laura C Coates is an NIHR Clinician Scientist and Senior Clinical Research Fellow funded by a National Institute for Health Research Clinician Scientist award. The research was supported by the National Institute for Health Research (NIHR) Oxford Biomedical Research Centre (BRC). The views expressed are those of the author(s) and not necessarily those of the NHS, the NIHR or the Department of Health. We acknowledge the support of the National Institute for Health Research Clinical Research Network (NIHR CRN). Address correspondence to Dr Weiyu Ye, Oxford University Clinical Academic Graduate School, Room 3A31, The Cairns Library IT Corridor, Level 3, John Radcliffe Hospital, Oxford, OX3 9DU. Email: christina.ye@conted.ox.ac.uk

Oxford University Clinical Academic Graduate School, Room 3A31, The Cairns Library IT Corridor, Level 3, John Radcliffe Hospital, Oxford, OX3 9DU;ford, The Botnar Research Centre, Old Road, Oxford, OX3 7LD; NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, and Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, LS7 4SA; Bradford Teaching Hospitals NHS Foundation Trust, St Lukes Hospital, Little Horton Lane, Bradford, BD5 0NA; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Chapel Allerton Hospital, Leeds LS7 4SA. Funding: Weiyu Ye is an NIHR Academic Clinical Fellow. Laura C Coates is an NIHR Clinician Scientist and Senior Clinical Research Fellow funded by a National Institute for Health Research Clinician Scientist award. The research was supported by the National Institute for Health Research (NIHR) Oxford Biomedical Research Centre (BRC). The views expressed are those of the author(s) and not necessarily those of the NHS, the NIHR or the Department of Health. We acknowledge the support of the National Institute for Health Research Clinical Research Network (NIHR CRN). Address correspondence to Dr Weiyu Ye, Oxford University Clinical Academic Graduate School, Room 3A31, The Cairns Library IT Corridor, Level 3, John Radcliffe Hospital, Oxford, OX3 9DU. Email: christina.ye@conted.ox.ac.uk

Oxford University Clinical Academic Graduate School, Room 3A31, The Cairns Library IT Corridor, Level 3, John Radcliffe Hospital, Oxford, OX3 9DU;ford, The Botnar Research Centre, Old Road, Oxford, OX3 7LD; NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, and Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, LS7 4SA; Bradford Teaching Hospitals NHS Foundation Trust, St Lukes Hospital, Little Horton Lane, Bradford, BD5 0NA; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Chapel Allerton Hospital, Leeds LS7 4SA. Funding: Weiyu Ye is an NIHR Academic Clinical Fellow. Laura C Coates is an NIHR Clinician Scientist and Senior Clinical Research Fellow funded by a National Institute for Health Research Clinician Scientist award. The research was supported by the National Institute for Health Research (NIHR) Oxford Biomedical Research Centre (BRC). The views expressed are those of the author(s) and not necessarily those of the NHS, the NIHR or the Department of Health. We acknowledge the support of the National Institute for Health Research Clinical Research Network (NIHR CRN). Address correspondence to Dr Weiyu Ye, Oxford University Clinical Academic Graduate School, Room 3A31, The Cairns Library IT Corridor, Level 3, John Radcliffe Hospital, Oxford, OX3 9DU. Email: christina.ye@conted.ox.ac.uk

Oxford University Clinical Academic Graduate School, Room 3A31, The Cairns Library IT Corridor, Level 3, John Radcliffe Hospital, Oxford, OX3 9DU;ford, The Botnar Research Centre, Old Road, Oxford, OX3 7LD; NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, and Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, LS7 4SA; Bradford Teaching Hospitals NHS Foundation Trust, St Lukes Hospital, Little Horton Lane, Bradford, BD5 0NA; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Chapel Allerton Hospital, Leeds LS7 4SA. Funding: Weiyu Ye is an NIHR Academic Clinical Fellow. Laura C Coates is an NIHR Clinician Scientist and Senior Clinical Research Fellow funded by a National Institute for Health Research Clinician Scientist award. The research was supported by the National Institute for Health Research (NIHR) Oxford Biomedical Research Centre (BRC). The views expressed are those of the author(s) and not necessarily those of the NHS, the NIHR or the Department of Health. We acknowledge the support of the National Institute for Health Research Clinical Research Network (NIHR CRN). Address correspondence to Dr Weiyu Ye, Oxford University Clinical Academic Graduate School, Room 3A31, The Cairns Library IT Corridor, Level 3, John Radcliffe Hospital, Oxford, OX3 9DU. Email: christina.ye@conted.ox.ac.uk

Oxford University Clinical Academic Graduate School, Room 3A31, The Cairns Library IT Corridor, Level 3, John Radcliffe Hospital, Oxford, OX3 9DU;ford, The Botnar Research Centre, Old Road, Oxford, OX3 7LD; NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, and Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, LS7 4SA; Bradford Teaching Hospitals NHS Foundation Trust, St Lukes Hospital, Little Horton Lane, Bradford, BD5 0NA; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Chapel Allerton Hospital, Leeds LS7 4SA. Funding: Weiyu Ye is an NIHR Academic Clinical Fellow. Laura C Coates is an NIHR Clinician Scientist and Senior Clinical Research Fellow funded by a National Institute for Health Research Clinician Scientist award. The research was supported by the National Institute for Health Research (NIHR) Oxford Biomedical Research Centre (BRC). The views expressed are those of the author(s) and not necessarily those of the NHS, the NIHR or the Department of Health. We acknowledge the support of the National Institute for Health Research Clinical Research Network (NIHR CRN). Address correspondence to Dr Weiyu Ye, Oxford University Clinical Academic Graduate School, Room 3A31, The Cairns Library IT Corridor, Level 3, John Radcliffe Hospital, Oxford, OX3 9DU. Email: christina.ye@conted.ox.ac.uk

Oxford University Clinical Academic Graduate School, Room 3A31, The Cairns Library IT Corridor, Level 3, John Radcliffe Hospital, Oxford, OX3 9DU;ford, The Botnar Research Centre, Old Road, Oxford, OX3 7LD; NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, and Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, LS7 4SA; Bradford Teaching Hospitals NHS Foundation Trust, St Lukes Hospital, Little Horton Lane, Bradford, BD5 0NA; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Chapel Allerton Hospital, Leeds LS7 4SA. Funding: Weiyu Ye is an NIHR Academic Clinical Fellow. Laura C Coates is an NIHR Clinician Scientist and Senior Clinical Research Fellow funded by a National Institute for Health Research Clinician Scientist award. The research was supported by the National Institute for Health Research (NIHR) Oxford Biomedical Research Centre (BRC). The views expressed are those of the author(s) and not necessarily those of the NHS, the NIHR or the Department of Health. We acknowledge the support of the National Institute for Health Research Clinical Research Network (NIHR CRN). Address correspondence to Dr Weiyu Ye, Oxford University Clinical Academic Graduate School, Room 3A31, The Cairns Library IT Corridor, Level 3, John Radcliffe Hospital, Oxford, OX3 9DU. Email: christina.ye@conted.ox.ac.uk