Measurement properties of the short version of the Western Ontario and McMaster Universities Arthritis Index (WOMAC) for individuals with knee osteoarthritis

Abstract Background Assessment instruments play an essential role in the management of knee osteoarthritis. This study aimed to verify the clinimetric properties and validate the short version of WOMAC’s (SV-WOMAC) knee with two domains, pain (four items) and physical function (eight items) in indiv...

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Main Authors: José Edson França da Silva Júnior, Almir Vieira Dibai-Filho, Inaê Silva Santos, Jhonata Botelho Protázio, José Djalma Arrais Júnior, Daniella Dias de Oliveira, Patrícia Gabrielle dos Santos, Cid André Fidelis-de-Paula-Gomes
Format: Article
Language:English
Published: BMC 2023-07-01
Series:BMC Musculoskeletal Disorders
Subjects:
Online Access:https://doi.org/10.1186/s12891-023-06696-0
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author José Edson França da Silva Júnior
Almir Vieira Dibai-Filho
Inaê Silva Santos
Jhonata Botelho Protázio
José Djalma Arrais Júnior
Daniella Dias de Oliveira
Patrícia Gabrielle dos Santos
Cid André Fidelis-de-Paula-Gomes
author_facet José Edson França da Silva Júnior
Almir Vieira Dibai-Filho
Inaê Silva Santos
Jhonata Botelho Protázio
José Djalma Arrais Júnior
Daniella Dias de Oliveira
Patrícia Gabrielle dos Santos
Cid André Fidelis-de-Paula-Gomes
author_sort José Edson França da Silva Júnior
collection DOAJ
description Abstract Background Assessment instruments play an essential role in the management of knee osteoarthritis. This study aimed to verify the clinimetric properties and validate the short version of WOMAC’s (SV-WOMAC) knee with two domains, pain (four items) and physical function (eight items) in individuals with knee osteoarthritis (KO). Methods Reliability and internal consistency Construct, criterion validity, Ceiling, and floor effects analyses were performed. In addition to the SV-WOMAC, the following instruments were used: the numerical rating scale (NRPS), International Knee Documentation Committee (IKDC), the Short Form Health Survey (SF-36), and WOMAC’s original version. Spearman’s correlation coefficient (rho) was used to determine the magnitude of the correlation between the AFAQ and the other instruments. Moreover, the test–retest reliability and internal consistency were assessed using the intraclass correlation coefficient (ICC) and Cronbach’s alpha, respectively. In addition, standard error of measurement (SEM) and minimum detectable change (MDC) were calculated. Results One hundred and thirteen subjects with KO were included for validity analysis, and a subsample of 53 subjects was used for test-retest reliability. Adequate reliability and internal consistency were observed with ICC ≥ 0.76, SEM ≤ 1.85, MDC ≥ 5.1, and Cronbach’s alpha ≥ 0.84. Regarding construct validity, correlations greater than 0.50 were observed with the IKDC, NRPS, and functional domains of the SF-36. The SV-WOMAC showed a correlation > 0.70 with the original version and did not show ceiling and floor effects. Conclusion The SV-WOMAC knee has adequate measurement properties to analyze pain and physical function in Brazilian individuals with KO.
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spelling doaj.art-3d8db993ca1a4763b62be0133840eaf52023-07-16T11:03:40ZengBMCBMC Musculoskeletal Disorders1471-24742023-07-012411810.1186/s12891-023-06696-0Measurement properties of the short version of the Western Ontario and McMaster Universities Arthritis Index (WOMAC) for individuals with knee osteoarthritisJosé Edson França da Silva Júnior0Almir Vieira Dibai-Filho1Inaê Silva Santos2Jhonata Botelho Protázio3José Djalma Arrais Júnior4Daniella Dias de Oliveira5Patrícia Gabrielle dos Santos6Cid André Fidelis-de-Paula-Gomes7Postgraduate Program in Rehabilitation Sciences, Nove de Julho UniversityPostgraduate Program in Physical Education, Universidade Federal do MaranhãoPostgraduate Program in Rehabilitation Sciences, Nove de Julho UniversityPostgraduate Program in Physical Education, Universidade Federal do MaranhãoPostgraduate Program in Rehabilitation Sciences, Nove de Julho UniversityPostgraduate Program in Rehabilitation Sciences, Nove de Julho UniversityPostgraduate Program in Rehabilitation Sciences, Nove de Julho UniversityPostgraduate Program in Rehabilitation Sciences, Nove de Julho UniversityAbstract Background Assessment instruments play an essential role in the management of knee osteoarthritis. This study aimed to verify the clinimetric properties and validate the short version of WOMAC’s (SV-WOMAC) knee with two domains, pain (four items) and physical function (eight items) in individuals with knee osteoarthritis (KO). Methods Reliability and internal consistency Construct, criterion validity, Ceiling, and floor effects analyses were performed. In addition to the SV-WOMAC, the following instruments were used: the numerical rating scale (NRPS), International Knee Documentation Committee (IKDC), the Short Form Health Survey (SF-36), and WOMAC’s original version. Spearman’s correlation coefficient (rho) was used to determine the magnitude of the correlation between the AFAQ and the other instruments. Moreover, the test–retest reliability and internal consistency were assessed using the intraclass correlation coefficient (ICC) and Cronbach’s alpha, respectively. In addition, standard error of measurement (SEM) and minimum detectable change (MDC) were calculated. Results One hundred and thirteen subjects with KO were included for validity analysis, and a subsample of 53 subjects was used for test-retest reliability. Adequate reliability and internal consistency were observed with ICC ≥ 0.76, SEM ≤ 1.85, MDC ≥ 5.1, and Cronbach’s alpha ≥ 0.84. Regarding construct validity, correlations greater than 0.50 were observed with the IKDC, NRPS, and functional domains of the SF-36. The SV-WOMAC showed a correlation > 0.70 with the original version and did not show ceiling and floor effects. Conclusion The SV-WOMAC knee has adequate measurement properties to analyze pain and physical function in Brazilian individuals with KO.https://doi.org/10.1186/s12891-023-06696-0Reproducibility of resultsKnee osteoarthritisPain measurementChronic painSurveysAnd questionnaires
spellingShingle José Edson França da Silva Júnior
Almir Vieira Dibai-Filho
Inaê Silva Santos
Jhonata Botelho Protázio
José Djalma Arrais Júnior
Daniella Dias de Oliveira
Patrícia Gabrielle dos Santos
Cid André Fidelis-de-Paula-Gomes
Measurement properties of the short version of the Western Ontario and McMaster Universities Arthritis Index (WOMAC) for individuals with knee osteoarthritis
BMC Musculoskeletal Disorders
Reproducibility of results
Knee osteoarthritis
Pain measurement
Chronic pain
Surveys
And questionnaires
title Measurement properties of the short version of the Western Ontario and McMaster Universities Arthritis Index (WOMAC) for individuals with knee osteoarthritis
title_full Measurement properties of the short version of the Western Ontario and McMaster Universities Arthritis Index (WOMAC) for individuals with knee osteoarthritis
title_fullStr Measurement properties of the short version of the Western Ontario and McMaster Universities Arthritis Index (WOMAC) for individuals with knee osteoarthritis
title_full_unstemmed Measurement properties of the short version of the Western Ontario and McMaster Universities Arthritis Index (WOMAC) for individuals with knee osteoarthritis
title_short Measurement properties of the short version of the Western Ontario and McMaster Universities Arthritis Index (WOMAC) for individuals with knee osteoarthritis
title_sort measurement properties of the short version of the western ontario and mcmaster universities arthritis index womac for individuals with knee osteoarthritis
topic Reproducibility of results
Knee osteoarthritis
Pain measurement
Chronic pain
Surveys
And questionnaires
url https://doi.org/10.1186/s12891-023-06696-0
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