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- Title
Cross-cultural adaptation, validity, reliability and responsiveness of the Japanese version of the Victorian Institute of sports assessment for patellar tendinopathy (VISA-P-J).
- Authors
Togashi, Ishin; Nagao, Masashi; Nishio, Hirofumi; Nozu, Shojiro; Shiota, Yuki; Takazawa, Yuji
- Abstract
Background: This study aimed to translate, adapt, and test the psychometric properties of the Japanese version of the Victorian Institute of sports assessment for patellar tendinopathy (VISA-P-J). Methods: This prospective cohort study registered 43 participants ≥ 18 years old with a history of painful symptoms in the inferior pole of the patella to the proximal patellar tendon lasting ≥ 1 month for patellar tendinopathy. Pain in daily life and during sports activities, symptom classification, and patient global impression of change were assessed at the baseline, 1 week, and 12 weeks. The psychometric properties, test–retest reliability, standard error of measurement, internal consistency criterion validity, construct validity, responsiveness, and interpretability, of the VISA-P-J were calculated according to the COSMIN. Results: The two-way random-effects, absolute agreement intraclass correlation coefficient for test–retest reliability of VISA-P-J was 0.87 (95% confidence interval: 0.78, 0.93), and the standard error of measurement of VISA-P-J was 0.89. The Cronbach's alpha for internal consistency of VISA-P-J was 0.81. A correlation between VISA-P-J and Roel's classification, Visual Analog Scale for pain (VAS)-Active Daily Living, and VAS-Sports (r = − 0.52, r = − 0.66, r = − 0.86, p < 0.01, respectively) was observed for criterion validity. All hypotheses of the hypothesis-testing method to evaluate construct validity and responsiveness of VISA-P-J were substantiated. The minimal clinically important difference of VISA-P-J was 7 points. Conclusion: We demonstrated that the VISA-P-J was a reliable, valid, and responsive assessment method for individuals with chronic pain in the patellar tendon.
- Subjects
JUMPER'S knee; PATELLAR tendon; CRONBACH'S alpha; MEASUREMENT errors; STATISTICAL reliability; INTRACLASS correlation
- Publication
BMC Sports Science, Medicine & Rehabilitation, 2023, Vol 15, Issue 1, p1
- ISSN
2052-1847
- Publication type
Article
- DOI
10.1186/s13102-023-00615-5