Abstract
BackgroundThe Western Ontario Meniscal Evaluation Tool (WOMET) is a questionnaire designed to evaluate the health-related quality of life (HRQOL) of patients with meniscal pathology. Our study aims to culturally adapt and validate the WOMET into a Chinese version.MethodsWe translated the WOMET into Chinese. Then, a total of 121 patients with meniscal pathology were invited to participate in this study. To assess the test-retest reliability, the Chinese version WOMET was completed twice at 7-day intervals by the participants. The construct validity was assessed using Pearson’s correlation coefficient or Spearman’s correlation to test for correlations among the Chinese version WOMET and the eight domains of Short Form-36 (SF-36), the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC), and the International Knee Documentation Committee (IKDC) score. Responsiveness was tested by comparison of the preoperative and postoperative scores of the Chinese version WOMET.ResultsThe test-retest reliability of the overall scale and different domains were all found to be excellent. The Cronbach’s α was 0.90. The Chinese version WOMET correlated well with other questionnaires which suggested good construct validity. We observed no ceiling and floor effects of the Chinese version WOMET. We also found good responsiveness for the effect size, and the standardized response mean values were 0.86 and 1.11.ConclusionsThe Chinese version of the WOMET appears to be reliable and valid in evaluating patients with meniscal pathology.
Highlights
The Western Ontario Meniscal Evaluation Tool (WOMET) is a questionnaire designed to evaluate the health-related quality of life (HRQOL) of patients with meniscal pathology
Validity By the Kolmogorov-Smirnov test, we found that the overall scale scores and all the subscale scores of the WOMET, International Knee Documentation Committee (IKDC) scores, age, and BMI were all normally distributed
Translation process, acceptability, score distribution, and ceiling and floor effects When the pre-final version was pre-tested on 15 patients, the patients were confused with the differences between “giving away” and “weakness.” After the discussion of all the translators, an easy-understanding Chinese version WOMET was generated
Summary
The Western Ontario Meniscal Evaluation Tool (WOMET) is a questionnaire designed to evaluate the health-related quality of life (HRQOL) of patients with meniscal pathology. Meniscus injuries are one of the most common injuries to the knee encountered by orthopedic surgeons today with an incidence of about 12–14 % [2] It can be treated conservatively or surgically; surgeries that successfully repair or replace the meniscus are likely to prevent or delay osteoarthritis progression [3, 4]. The meniscus injury HRQOL questionnaires enable physicians to take the patients’ perception into account to make a better therapy decision and assess the benefit of conservative and surgical interventions for patients with meniscal pathology [7, 8]
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