The validity and reliability of the Turkish version of the Rheumatoid and Arthritis Outcome Score (RAOS) in patients with rheumatoid arthritis

The goal of our study was to develop a Turkish version of the Rheumatoid and Arthritis Outcome Score (RAOS) in patients with rheumatoid arthritis (RA) and to assess its reliability, validity, and sensitivity to change. The Turkish version of RAOS was developed according to cross-cultural guidelines...

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Bibliographic Details
Published in:Clinical rheumatology 2009, Vol.28 (1), p.47-51
Main Authors: Göksel Karatepe, Altınay, Günaydin, Rezzan, Türkmen, Gül, Kaya, Taciser, Özbek, Gülriz
Format: Article
Language:English
Subjects:
Arthritis, Rheumatoid - diagnosis
Arthritis, Rheumatoid - physiopathology
Cross-Cultural Comparison
Female
Humans
Male
Medicine
Medicine & Public Health
Middle Aged
Original Article
Pain Measurement
Predictive Value of Tests
Quality of Life
Reproducibility of Results
Rheumatology
Self-Assessment
Severity of Illness Index
Surveys and Questionnaires
Turkey
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Summary:The goal of our study was to develop a Turkish version of the Rheumatoid and Arthritis Outcome Score (RAOS) in patients with rheumatoid arthritis (RA) and to assess its reliability, validity, and sensitivity to change. The Turkish version of RAOS was developed according to cross-cultural guidelines by using the “translation–back translation” method. Fifty-eight patients with RA were assessed with it. To assess its validity, patients were also evaluated with Turkish versions of the Health Assessment Questionnaire, five subscales of Arthritis Impact Measurement Scales, and the Rheumatoid Arthritis Quality of Life questionnaire. Test–retest reliability of the RAOS questionnaire was calculated on 58 patients within 1 week. Construct validity was investigated with use of Spearman’s rank correlation coefficient. Test–retest reliability was assessed with use of the intraclass correlation coefficient (ICC) and Cronbach’s alpha score. Sensitivity to change after the 4-week home-based exercise program was evaluated with paired t test comparisons. The Turkish version of the RAOS met set criteria of reliability and validity. The random ICC for the five subscales ranged from 0.76 to 0.94. Interitem correlation measured by Cronbach’s alpha ranged from 0.81 to 0.94. Correlations were found between RAOS subscales and all of the evaluation parameters ( p  
ISSN:0770-3198
1434-9949
DOI:10.1007/s10067-008-0981-2