Cross-cultural adaptation and validation of the Vietnamese version of the Knee Injury and Osteoarthritis Outcome Score (KOOS) in patients with knee osteoarthritis

IF 1.5 Q3 ORTHOPEDICS

Asia-Pacific Journal of Sport Medicine Arthroscopy Rehabilitation and Technology Pub Date : 2025-04-01 DOI:10.1016/j.asmart.2025.04.002

Thanh-Van Le , Massimo Penta , Thi Bich Hanh Tran , Long Bien Tran , Minh Sang Nguyen , Bénédicte Schepens

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引用次数: 0

Abstract

Background

Knee osteoarthritis (KOA) is common in Vietnam, affecting about 34 % of individuals over 40 years of age. The Knee Injury and Osteoarthritis Outcome Score (KOOS) is an internationally recognized patient-reported outcome used to assess the impact of KOA but it is not yet available in Vietnamese.

Objective

This study aimed to translate the KOOS into Vietnamese and assess the psychometric properties of the translation (KOOS-V).

Methods

The translation process involved forward/back translation, expert review and cognitive interviews for pretesting. Content validity was assessed by seven experts using the Content validity Index (CVI). A sample of 133 Vietnamese KOA patients (mean age: 63.7 years, 83 % female) completed the KOOS-V, Short Form 36 Health Survey (SF-36) and Numeric Pain Rating Scale (NPRS), and 67 of them were re-assessed after 5–8 days. Psychometric analyses included internal consistency, test-retest reliability, construct validity and cross-cultural comparison of KOOS-V subscales.

Results

KOOS-V exhibited excellent content validity (CVI = 0.86–1.00), satisfactory internal consistency (Cronbach's α = 0.70–0.98) and good to excellent test-retest reliability (ICC = 0.77–0.90). Construct validity was confirmed by moderate to strong correlations with SF-36 Physical Functioning (Spearman's ρ = 0.66 to 0.82) and moderate correlations with NPRS (ρ = −0.49 to −0.62). The cross-cultural comparison showed that the KOOS subscales in Vietnam presents the same challenge as in other cultures.

Conclusions

The KOOS-V is a reliable, valid tool for assessing the functional impact of KOA in Vietnamese patients, contributing to its broader use worldwide in clinical and research settings.

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来源期刊

Asia-Pacific Journal of Sport Medicine Arthroscopy Rehabilitation and Technology Multiple-

CiteScore

3.80

自引率

0.00%

发文量

审稿时长

98 days

期刊介绍： The Asia-Pacific Journal of Sports Medicine, Arthroscopy, Rehabilitation and Technology (AP-SMART) is the official peer-reviewed, open access journal of the Asia-Pacific Knee, Arthroscopy and Sports Medicine Society (APKASS) and the Japanese Orthopaedic Society of Knee, Arthroscopy and Sports Medicine (JOSKAS). It is published quarterly, in January, April, July and October, by Elsevier. The mission of AP-SMART is to inspire clinicians, practitioners, scientists and engineers to work towards a common goal to improve quality of life in the international community. The Journal publishes original research, reviews, editorials, perspectives, and letters to the Editor. Multidisciplinary research with collaboration amongst clinicians and scientists from different disciplines will be the trend in the coming decades. AP-SMART provides a platform for the exchange of new clinical and scientific information in the most precise and expeditious way to achieve timely dissemination of information and cross-fertilization of ideas.