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. 2014 Apr;29(4):719-21.
doi: 10.1016/j.arth.2013.07.015. Epub 2013 Aug 13.

High Activity Arthroplasty Score has a lower ceiling effect than standard scores after knee arthroplasty

Jean-Yves Jenny  1 , Pascal Louis  1 , Yann Diesinger  1
Affiliations

High Activity Arthroplasty Score has a lower ceiling effect than standard scores after knee arthroplasty

Jean-Yves Jenny et al. J Arthroplasty. 2014 Apr.

Abstract

The tested hypothesis was following: the High Activity Arthroplasty Score has a significant lower ceiling effect than American Knee Society Score and Oxford Knee Score after total knee arthroplasty. One hundred patients operated on for total knee arthroplasty with more than one-year follow-up have been included. The ceiling effect was 53% for the American Knee Society Score, 33% for the Oxford Knee Score, and 0% for the High Activity Arthroplasty Score. High Activity Arthroplasty Score had a significantly lower ceiling effect than American Knee Society Score and Oxford Knee Score. High Activity Arthroplasty Score has the potential to detect more subtle differences in level of function than standard scoring systems among a non-selected total knee arthroplasty population.

Keywords: ceiling effect; high activity score; outcome measurement; quality-of-life measurement; total knee arthroplasty.

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