Document Type

Article

Publication Date

7-9-2009

Publication Title

Arthritis Research and Therapy

Abstract

The objectives of this study were to develop a functional outcome instrument for hip and knee osteoarthritis research (OA-FUNCTION-CAT) using item response theory (IRT) and computer adaptive test (CAT) methods and to assess its psychometric performance compared to the current standard in the field.

DOI

10.1186/ar2760

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