Rasch analysis of the Oxford Knee Score.

Abstract

OBJECTIVES Use Rasch analysis to examine the psychometric properties of the Oxford Knee Score (OKS), particularly in respect to unidimensionality, and consistency of item functioning before and after total knee replacement and across age and gender groups. METHODS The 12-item OKS was administered to 1,712 patients before the surgery, and 1,322 and 855… (More)
DOI: 10.1016/j.joca.2009.04.004

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