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Title: A correlation study of objective functionality and WOMAC in total knee arthroplasty
Authors: Witvrouw, E ×
Victor, J
Bellemans, Johan
Rock, B
Van Lummel, R
Van Der Slikke, R
Verdonk, R #
Issue Date: Nov-2002
Series Title: Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA vol:10 issue:6 pages:347-51
Abstract: Function studies after total knee arthroplasty (TKA) generally use either self-reported instruments or objective quantitative measurements of walking activities, but it is unclear how objective factors influence self-reports. This retrospective multicenter study assessed the impact of objective variables on subjective self-reported functional outcome after TKA in 128 patients at a mean of 41 months after TKA. Self-reported disability was measured by the Western Ontario and McMaster University (WOMAC) scale, and the quality of walking and representative daily activities were determined objectively by the DynaPort knee test. Objective assessment was found to be a poor predictor of WOMAC abnormality, with correlations of 0.343, 0.246, and 0.269 with WOMAC function, stiffness, and pain, respectively. The results of WOMAC are thus strongly influenced by factors other than quantitative parameters of the lower extremity. These findings provide support for including an objective assessment of activities of daily living together with a subjective self-report.
URI: 
ISSN: 0942-2056
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Orthopaedics Section (-)
× corresponding author
# (joint) last author

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