Carlos J Marques1, Hans O Pinnschmidt2, Karina Bohlen3, Juergen Lorenz4, Frank Lampe3,4. 1. Science Office of the Orthopaedic and Joint Replacement Department at the Schoen Clinic Hamburg Eilbek, Dehnhaide 120, D-22081, Hamburg, Germany. 2. Institute of Medical Biometry and Epidemiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany. 3. Orthopaedic and Joint Replacement Department at the Schoen Clinic Hamburg Eilbek, Dehnhaide 120, D-22081, Hamburg, Germany. 4. Faculty of Life Sciences at the Hamburg University of Applied Sciences, Ulmenliet 20, D-21033, Hamburg, Germany.
Abstract
PURPOSE: To investigate whether WOMAC scores changes after THA or TKA are gender and joint specific. METHODS: Retrospective cohort study. The data of 855 THA and 684 TKA patients were analyzed. RESULTS: Follow-up time (p < 0.001), gender (p < 0.001), joint (p < 0.001), and interaction FU by joint (p < 0.001) had significant effects on WOMAC total and sub-scores. Patients after TKA perceived less improvement in all dimensions in comparison to THA patients (p < 0.001). CONCLUSION: WOMAC score changes after THA or TKA are joint-specific. Patients after TKA perceived less improvement. These results can be used to adjust patients' expectations.
PURPOSE: To investigate whether WOMAC scores changes after THA or TKA are gender and joint specific. METHODS: Retrospective cohort study. The data of 855 THA and 684 TKA patients were analyzed. RESULTS: Follow-up time (p < 0.001), gender (p < 0.001), joint (p < 0.001), and interaction FU by joint (p < 0.001) had significant effects on WOMAC total and sub-scores. Patients after TKA perceived less improvement in all dimensions in comparison to THA patients (p < 0.001). CONCLUSION: WOMAC score changes after THA or TKA are joint-specific. Patients after TKA perceived less improvement. These results can be used to adjust patients' expectations.
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