Fragility analysis and systematic review of patellar resurfacing versus non-patellar resurfacing in total knee arthroplasty.

Introduction: Fragility analysis is a method of further characterising the robustness of statistical outcomes. This study evaluates the statistical fragility of randomised controlled trials (RCTs) comparing patellar resurfacing versus non-patellar surfacing in total knee arthroplasty (TKA).

Methods: PubMed, MEDLINE and EMBASE were searched for RCTs comparing outcomes in TKA based on patellar resurfacing.