Cross-cultural adaptation and validation of the Turkish version of Oxford hip score
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Published on: July 10, 2017
Baki Umut Tuğay1, Nazan Tuğay, Hande Güney
1Department of Physiotherapy and Rehabilitation, Muğla School of Health Sciences, Muğla Sıtkı Koçman University, Muğla, Turkey, umuttugay@yahoo.com.
Introduction:
The purpose of this study was to translate the Oxford hip score (OHS) into Turkish and to evaluate the psychometric properties by testing the internal consistency, reproducibility, construct validity, and responsiveness in patients with hip osteoarthritis (OA).
Patients And Methods:
Oxford hip score was translated and culturally adapted according to the guidelines in the literature. Seventy patients (mean age 61.45 ± 9.29 years) with hip osteoarthritis participated in the study. Patients completed the Turkish Oxford hip score (OHS-TR), the Short-Form 36 (SF-36), and Western Ontario and McMaster Universities Index (WOMAC). Internal consistency was tested using Cronbach's α coefficient. Patients completed OHS-TR questionnaire twice in 7 days for determining the reproducibility. Correlation between the total results of both tests was determined by the Pearson correlation coefficient and intraclass correlation coefficient (ICC). Validity was assessed by calculating the Pearson correlation coefficient between the OHS-TR and WOMAC and SF-36 scores. Floor and ceiling effects were analyzed.
Results:
The internal consistency was high (Cronbach's α 0.93). The construct validity showed a significant correlation between the OHS-TR and WOMAC and related SF-36 domains (p < 0.001). The ICC's ranged between 0.80 and 0.99. There was no floor or ceiling effect in total OHS-TR score.
Conclusions:
The OHS-TR questionnaire is valid, reliable, and responsive for the Turkish-speaking patients with hip OA.
