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J Arthroplasty. 2015 Dec;30(12):2154-8. doi: 10.1016/j.arth.2015.06.012. Epub 2015 Jun 14.

WOMAC, EQ-5D and Knee Society Score Thresholds for Treatment Success After Total Knee Arthroplasty.

Author information

1
Department of Psychiatry and Psychotherapy, Medical University of Innsbruck, Innsbruck, Austria.
2
Department of Orthopaedic Surgery, University of Edinburgh, Edinburgh, UK.
3
Department of Orthopaedics and Traumatology, Kantonsspital St. Gallen, St. Gallen, Switzerland.

Abstract

Our study aimed at developing clinical thresholds (cut-off scores) for the Western Ontario and McMaster Universities (WOMAC) osteoarthritis index, EQ-5D and Knee Society Score for discriminating between patients with and without treatment success following total knee arthroplasty (TKA). We performed a retrospective analysis of 1055 patients 2 months after TKA and 765 patients 1 year after TKA. We considered treatment successful if the patient reported high levels of satisfaction and pain relief, functional increase, and a willingness to undergo the same procedure again. Based on this criterion we identified cut-off scores that will facilitate interpretation of the WOMAC, the EQ-5D and the KSS in TKA patients.

KEYWORDS:

EQ-5D; Knee Society Score; WOMAC; patient-reported outcome; total knee arthroplasty; treatment success

PMID:
26160647
DOI:
10.1016/j.arth.2015.06.012
[Indexed for MEDLINE]
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