Cutpoints for mild moderate and severe pain in patients with osteoarthritis of the hip or knee ready for joint replacement surgery

摘要

BackgroundCutpoints (CPs) for mild, moderate and severe pain are established and used primarily in cancer pain. In this study, we wanted to determine the optimal CPs for mild, moderate, and severe pain in joint replacement surgery candidates with osteoarthritis (OA) of the hip or knee, and to validate the different CPs.