• Osteoarthr. Cartil. · Dec 2016

    Cross-cultural validation of the ICOAP and physical function short forms of the HOOS and KOOS in a multi-country study of patients with hip and knee osteoarthritis.

    • S P Mehta, A Sankar, V Venkataramanan, L S Lohmander, J N Katz, G A Hawker, L Gossec, E M Roos, J-F Maillefert, M Kloppenburg, M Dougados, and A M Davis.
    • Division of Health Care and Outcomes Research, Kremble Research Institute, Toronto, Ontario, Canada; School of Physical Therapy and Dept. of Orthopedics, Marshall University, Huntington, WV, USA.
    • Osteoarthr. Cartil. 2016 Dec 1; 24 (12): 2077-2081.

    ObjectiveTo evaluate the internal consistency and construct validity of the Physical Function short-forms for the Hip and Knee Injury Osteoarthritis Outcome Scores (HOOS-PS/KOOS-PS) and the Intermittent and Constant Osteoarthritis Pain (ICOAP) in a nine country study of patients consulting for total hip or knee replacement (THR or TKR).MethodsPatients completed HOOS-PS or KOOS-PS, ICOAP and Western Ontario and McMaster Universities' Osteoarthritis Index (WOMAC) pain and physical function subscales at their consultation visit. Internal consistency was calculated using Cronbach's alpha. The association of HOOS-PS/KOOS-PS and ICOAP with WOMAC pain and function subscales was calculated with Spearman correlation coefficients with 95% confidence intervals.ResultsHOOS-PS/KOOS-PS and ICOAP demonstrated high internal consistency across countries (alpha 0.75-0.96 (hip) and 0.76-0.95 (knee)). Both HOOS-PS and KOOS-PS demonstrated high correlations (0.76-0.90 and 0.75-0.91, respectively) with WOMAC function in all countries. ICOAP exhibited moderate to high correlations with WOMAC pain and function subscales (0.53-0.84 (hip) and 0.43-0.84 (knee)).ConclusionThe psychometric properties of the HOOS-PS/KOOS-PS, and ICOAP were maintained across all countries.Copyright © 2016 Osteoarthritis Research Society International. Published by Elsevier Ltd. All rights reserved.

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