Abbreviations:
knee arthroplasty
controlled-releaseextended-releaseimmediate-releaseNumeric Rating Scaletotal knee arthroplastyThe study was funded by The Research Department, St. Olavs Hospital, Trondheim University Hospital; Clinic of Orthopaedics, Rheumatology and Dermatology, St. Olavs Hospital, Trondheim University Hospital; The Infrastructure “The Operating Room of the Future” (FOR), St. Olavs Hospital, Trondheim University Hospital; Clinic of Anesthesiology and Intensive Care, St. Olavs Hospital, Trondheim University Hospital; and The Joint Research Committee between St. Olavs Hospital, Trondheim University Hospital, and the Faculty of Medicine, Norwegian University of Science and Technology.The authors have no conflicts of interest to disclose.The datasets generated during and/or analyzed during the current study are available from the corresponding author on reasonable request.How to cite this article: Husby VS, Rian T, Klaksvik J, Wik TS, Winther SB. Physical activity in the first postoperative week in 132 knee arthroplasty patients randomized to 3 different analgesic regimens. Medicine 2023;102:16(e33471).