Evidence map›Paper›PMID 37452316›Full record

ArticleBMC musculoskeletal disorders2023

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

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

Abstract read
In one paragraph

Article in BMC musculoskeletal disorders, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
11citing papers in PubMed, 1 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

11 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

8 authors.

José Edson França da Silva JúniorPostgraduate Program in Rehabilitation Sciences, Nove de Julho University, Rua Vergueiro, 235/249, Liberdade, São Paulo, SP, CEP 01504-001, Brazil.
Almir Vieira Dibai-FilhoPostgraduate Program in Physical Education, Universidade Federal do Maranhão, São Luís, MA, Brazil.
Inaê Silva SantosPostgraduate Program in Rehabilitation Sciences, Nove de Julho University, Rua Vergueiro, 235/249, Liberdade, São Paulo, SP, CEP 01504-001, Brazil.
Jhonata Botelho ProtázioPostgraduate Program in Physical Education, Universidade Federal do Maranhão, São Luís, MA, Brazil.
José Djalma Arrais JúniorPostgraduate Program in Rehabilitation Sciences, Nove de Julho University, Rua Vergueiro, 235/249, Liberdade, São Paulo, SP, CEP 01504-001, Brazil.
Daniella Dias de OliveiraPostgraduate Program in Rehabilitation Sciences, Nove de Julho University, Rua Vergueiro, 235/249, Liberdade, São Paulo, SP, CEP 01504-001, Brazil.
Patrícia Gabrielle Dos SantosPostgraduate Program in Rehabilitation Sciences, Nove de Julho University, Rua Vergueiro, 235/249, Liberdade, São Paulo, SP, CEP 01504-001, Brazil.
Cid André Fidelis-de-Paula-GomesPostgraduate Program in Rehabilitation Sciences, Nove de Julho University, Rua Vergueiro, 235/249, Liberdade, São Paulo, SP, CEP 01504-001, Brazil. cid.andre@gmail.com.

Funding

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior finance code 001Fundação de Amparo à Pesquisa do Estado de São Paulo Process 2022/02166-2
6 · The paper itself

Abstract

backgroundAssessment 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).

methodsReliability 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.

resultsOne 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.

conclusionThe SV-WOMAC knee has adequate measurement properties to analyze pain and physical function in Brazilian individuals with KO.

Indexed as

Osteoarthritis, KneeHumansOntarioPainReproducibility of ResultsSeverity of Illness IndexSurveys and QuestionnairesUniversitiesAnd questionnairesChronic painKnee osteoarthritisPain measurementReproducibility of resultsSurveys

Identifiers

PMID37452316
PMCPMC10347856

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.