Journal
OSTEOARTHRITIS AND CARTILAGE
Volume 24, Issue 12, Pages 2077-2081Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.joca.2016.07.014
Keywords
ICOAP; HOOS-PS; KOOS-PS; Hip or knee osteoarthritis; Cross-cultural validation
Categories
Funding
- scientific society (OARSI)
- scientific society (MERACT)
- Pfizer
- Expansciences
- Novartis
- Negma Lerads
- Rottapharm
- Fidia
- Pierre Fabre Sante laboratories
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Objective: To 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). Methods: Patients 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. Results: HOOS-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)). Conclusion: The psychometric properties of the HOOS-PS/KOOS-PS, and ICOAP were maintained across all countries. (C) 2016 Osteoarthritis Research Society International. Published by Elsevier Ltd. All rights reserved.
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