Osteoarthritis Case Study

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Abstract Osteoarthritis is a chronic degenerative and progressive condition affecting synovial joints, so it is necessary to know how this problem affects physical function of knee osteoarthritic patients. The aim of the study was to test the validity and reliability of arabic-language version of the knee injury and osteoarthritis outcome score physical function short form to measure the physical function in knee osteoarthritic patients. 69 patients with knee osteoarthritis (bilateral osteoarthritis considered 2 cases) were recruited and 150 sheets (test and retest sheets) were filled out and three expert panels (each consists of ten experts) participated in this study, forward translation, development of preliminary initially translated version, …show more content…

Expert proportion of clearance was calculated and represented in table 2. Index of content validity was calculated and it was found that scale index of content validity (S-CVI) equals 97.14% and scale index of content validity universal agreements (S-CVI/UA) equals 71% as shown in table 3. Also Expert proportion of relevance was calculated and represented in table 4. Patients were of both genders (female:52, male:17) and 46 of them had unilateral knee OA while 23 had bilateral knee OA also 42 patients made retest while 27 patient didn’t, descriptive statistics of patient general characteristics (age, eeight, height and BMI) were represented in table 5, descriptive statistics of sheets general characteristics were represented in table 6 and descriptive statistics of sheets results were represented in table 7, internal consistency calculations were made and it was found that Cronbach's alpha equals 0.848 with lower bound 0.789 and upper bound 0.896 at 95% confidence interval., test versus retest calculations were made as shown in table 8 and Spearman’s correlations coefficients were calculated and represented in table …show more content…

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