The Dutch version of the knee injury and osteoarthritis outcome score: A validation study

Abstract Background The Knee Injury and Osteoarthritis Outcome Score (KOOS) was constructed in Sweden. This questionnaire has proved to be valid for several orthopedic interventions of the knee. It has been formally translated and validated in several languages, but not yet in Dutch. The purpose of the present study was to evaluate the clinimetric properties of the Dutch version of the KOOS questionnaire in knee patients with various stages of osteoarthritis (OA). Methods The Swedish version of the KOOS questionnaire was first translated into Dutch according to a standardized procedure and sec... Mehr ...