Assessing the non-inferiority of prosthesis constructs used in hip replacement using data from the National Joint Registry of England, Wales, Northern Ireland and the Isle of Man: a benchmarking study

Objectives To investigate the relative performance of hip prosthesis constructs as compared with the best performing prosthesis constructs and illustrate the substantial variability in performance of currently used prostheses. Design A non-inferiority study. Setting The National Joint Registry for England, Wales, Northern Ireland and the Isle of Man (NJR). Participants All patients with a primary total hip replacement registered in the NJR...