Over a decade of experience in total knee arthroplasty with a multiradius design and fixed bearing at a single centre: Data from the Catalan Arthroplasty Registry

Purpose Arthroplasty registers can provide feedback information on the results of arthroplasties performed by a certain institution or surgeon. The use of real‐world data to achieve real‐world evidence can help evaluate the performance of the implants used and help counsel our patients. The main objective of our study was to determine the survivorship of the total knee implant we are currently using. Methods A retrospective cohort study of patients who received a total knee arthroplasty from January 2009 to December 2020 in our hospital was conducted, using data from the Catalan arthroplasty registry and the Catalan health service database. Demographic and surgical data were analysed using the Kaplan–Meier method, log‐rank test and Cox proportional hazards models with the R Project software (p