Setting benchmark revision rates for total hip replacement: analysis of registry evidence.

STUDY QUESTION: Is the 2000 benchmark for revision rates for both total hip replacement and resurfacing arthroplasty in England and Wales of 10% at 10 years optimal? SUMMARY ANSWER: The revision rate benchmark should be at least halved from 10% at 10 years to 5% at 10 years. WHAT IS KNOWN AND WHAT THIS PAPER ADDS: Revision rates vary between different types of total hip replacement device. Data up to 2012 showed that 10 year revision rates were less than 5% for five frequently used categories of device, and revision rates were higher for men than for women. [ABSTRACT FROM AUTHOR]