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Translation and Validation of the Turkish Version of the Arthritis Impact Measurement
Scales 2 in Patients with Knee Osteoarthritis
FUNDA ATAMAZ, SIMIN HEPGULER, and JULIDE ONCU ABSTRACT. Objective. To translate and evaluate the validity, reliability, and acceptability of Arthritis Impact Measurement Scales 2 (AIMS2) in patients with knee osteoarthritis (OA). Methods. Turkish AIMS2 was developed using the "translation-backward translation" method and administered to 141 patients with symptomatic knee OA. Reliability was assessed by test-retest and internal consistency analyses. Construct validity was assessed by correlating the AIMS2 scales with Western Ontario and McMaster University Osteoarthritis Index (WOMAC), 100 mm visual analog scale (VAS) for pain, patient's and physician's global assessment, range of motion (ROM), and Kellgren-Lawrence grading system. Results. Test-retest reliability coefficients ranged from 0.75-0.98, and Cronbach's alpha coefficients from 0.72-0.90. Significant moderate to high correlations were obtained between AIMS2 scales (except social activities and support from family and friends scales) and most of the other clinical measurements. Conclusion. Turkish AIMS2 is a valid, reliable, and acceptable instrument in patients with symptomatic knee OA. (J Rheumatol 2005;32:1331-5) Key Indexing Terms:
AIMS2 From the Department of Physical Therapy and Rehabilitation, Medical Faculty of Ege University, Bornova-Izmir, Turkey. F. Atamaz, MD, Specialist, Physical Therapy and Rehabilitation; S. Hepguler, MD, Professor, Physical Therapy and Rehabilitation; J. Oncu, MD, Assistant Doctor, Physical Therapy and Rehabilitation. Address reprint requests to Dr. F. Atamaz, Ege Universitesi Tip Fakultesi, Fiziksel Tip ve Rehabilitasyon Anabilim Dali, Bornova-Izmir, Turkey. E-mail: atamaz_02@yahoo.com Accepted for publication March 7, 2005. |