Patients return to work sooner after unicompartmental knee arthroplasty than after total knee arthroplasty
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Patients return to work sooner after unicompartmental knee arthroplasty than after total knee arthroplasty Arthur J. Kievit1 · P. Paul F. M. Kuijer2 · Laurens J. de Haan3 · Koen L. M. Koenraadt3 · Gino M. M. J. Kerkhoffs1 · Matthias U. Schafroth1 · Rutger C. I. van Geenen3 Received: 14 January 2019 / Accepted: 6 August 2019 © The Author(s) 2019
Abstract Purpose It is not yet known if unicompartmental knee arthroplasty (UKA) patients are more likely to return to work sooner or have improved ability to work (i.e., workability) than total knee arthroplasty (TKA) patients. The following questions were addressed: patients were assessed to determine: (1) whether they returned to work sooner following UKA compared to TKA; (2) whether UKA patients had better WORQ function scores compared to TKA patients; and (3) if UKA patients have higher workability scores and greater satisfaction regarding workability than TKA patients. Methods A multicenter retrospective cohort study was performed that included patients at least 2 years after having undergone either UKA or TKA surgery and on the condition that patients had been in work in the 2 years prior to surgery. Time period between stopping work and returning to work was assessed; the WORQ scores (0 = worst–100 = best) and the Work Ability Index (WAI = 0–10) and reported satisfaction with work ability. Results UKA patients (n = 157, median 60 years, 51% male) were compared to TKA patients (n = 167, median 60 years, 49% male) (n.s.). Of the 157 UKA patients, 115 (73%) returned to work within 2 years compared to 121 (72%) of TKA patients (n.s.). More UKA patients return to work within 3 months (73% versus 48%) (p
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