Different Wording of the Patient Global Visual Analogue Scale (PG-VAS) Affects Rheumatoid Arthritis Patients' Scoring and the Overall Disease Activity Score (DAS28): A Cross-Sectional Study

Tracy French; Sarah Hewlett; John Kirwan; Tessa Sanderson

doi:10.1002/msc.1046

Different Wording of the Patient Global Visual Analogue Scale (PG-VAS) Affects Rheumatoid Arthritis Patients' Scoring and the Overall Disease Activity Score (DAS28): A Cross-Sectional Study

Tracy French, Sarah Hewlett, John Kirwan, Tessa Sanderson

Research output: Contribution to journal › Article (Academic Journal) › peer-review

29 Citations (Scopus)

Abstract

OBJECTIVE: The Disease Activity Score in 28 joints (DAS28) is a key measure in clinical practice and clinical trials. There are at least five different versions of the 'Patient Global' Visual Analogue Scale (PG-VAS) being used in the DAS28. The developers suggested that the PG-VAS can be an assessment of global health or disease activity, but did not specify the wording of the question. There is no consensus on what the PG-VAS is intended to capture, and the different words and phrases have not been evaluated. The aim of this study was to test if phrasing affects PG-VAS scores and hence yields different results for the DAS28. METHODS: Fifty patients with rheumatoid arthritis taking biologic agents in a rheumatology outpatient department completed a self-administered questionnaire containing five versions of the 100 mm PG-VAS. RESULTS: All PG-VAS versions correlated strongly with each other (rho = 0.67-0.87, p

Original language	English
Journal	Musculoskeletal Care
Early online date	4 Feb 2013
DOIs	https://doi.org/10.1002/msc.1046
Publication status	Published - 2013

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Early View - published online before appearing in an issue. Feb 2013

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http://onlinelibrary.wiley.com/journal/10.1002/(ISSN)1557-0681/earlyview

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title = "Different Wording of the Patient Global Visual Analogue Scale (PG-VAS) Affects Rheumatoid Arthritis Patients' Scoring and the Overall Disease Activity Score (DAS28): A Cross-Sectional Study",

abstract = "OBJECTIVE: The Disease Activity Score in 28 joints (DAS28) is a key measure in clinical practice and clinical trials. There are at least five different versions of the 'Patient Global' Visual Analogue Scale (PG-VAS) being used in the DAS28. The developers suggested that the PG-VAS can be an assessment of global health or disease activity, but did not specify the wording of the question. There is no consensus on what the PG-VAS is intended to capture, and the different words and phrases have not been evaluated. The aim of this study was to test if phrasing affects PG-VAS scores and hence yields different results for the DAS28. METHODS: Fifty patients with rheumatoid arthritis taking biologic agents in a rheumatology outpatient department completed a self-administered questionnaire containing five versions of the 100 mm PG-VAS. RESULTS: All PG-VAS versions correlated strongly with each other (rho = 0.67-0.87, p ",

author = "Tracy French and Sarah Hewlett and John Kirwan and Tessa Sanderson",

note = "Early View - published online before appearing in an issue. Feb 2013",

year = "2013",

doi = "10.1002/msc.1046",

language = "English",

journal = "Musculoskeletal Care",

issn = "1557-0681",

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T1 - Different Wording of the Patient Global Visual Analogue Scale (PG-VAS) Affects Rheumatoid Arthritis Patients' Scoring and the Overall Disease Activity Score (DAS28)

T2 - A Cross-Sectional Study

AU - French, Tracy

AU - Hewlett, Sarah

AU - Kirwan, John

AU - Sanderson, Tessa

N1 - Early View - published online before appearing in an issue. Feb 2013

PY - 2013

Y1 - 2013

N2 - OBJECTIVE: The Disease Activity Score in 28 joints (DAS28) is a key measure in clinical practice and clinical trials. There are at least five different versions of the 'Patient Global' Visual Analogue Scale (PG-VAS) being used in the DAS28. The developers suggested that the PG-VAS can be an assessment of global health or disease activity, but did not specify the wording of the question. There is no consensus on what the PG-VAS is intended to capture, and the different words and phrases have not been evaluated. The aim of this study was to test if phrasing affects PG-VAS scores and hence yields different results for the DAS28. METHODS: Fifty patients with rheumatoid arthritis taking biologic agents in a rheumatology outpatient department completed a self-administered questionnaire containing five versions of the 100 mm PG-VAS. RESULTS: All PG-VAS versions correlated strongly with each other (rho = 0.67-0.87, p

AB - OBJECTIVE: The Disease Activity Score in 28 joints (DAS28) is a key measure in clinical practice and clinical trials. There are at least five different versions of the 'Patient Global' Visual Analogue Scale (PG-VAS) being used in the DAS28. The developers suggested that the PG-VAS can be an assessment of global health or disease activity, but did not specify the wording of the question. There is no consensus on what the PG-VAS is intended to capture, and the different words and phrases have not been evaluated. The aim of this study was to test if phrasing affects PG-VAS scores and hence yields different results for the DAS28. METHODS: Fifty patients with rheumatoid arthritis taking biologic agents in a rheumatology outpatient department completed a self-administered questionnaire containing five versions of the 100 mm PG-VAS. RESULTS: All PG-VAS versions correlated strongly with each other (rho = 0.67-0.87, p

U2 - 10.1002/msc.1046

DO - 10.1002/msc.1046

M3 - Article (Academic Journal)

C2 - 23378146

SN - 1557-0681

JO - Musculoskeletal Care

JF - Musculoskeletal Care

ER -

Different Wording of the Patient Global Visual Analogue Scale (PG-VAS) Affects Rheumatoid Arthritis Patients' Scoring and the Overall Disease Activity Score (DAS28): A Cross-Sectional Study

Abstract

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