Quantifying Self-Report Measures' Overestimation of Mobility Scores Postarthroplasty

BACKGROUND: Self-reports of function may systematically overestimate the ability of patients to move around postarthroplasty. OBJECTIVE: The purpose of this study was to estimate the magnitude of systematic differences in Lower Extremity Functional Scale (LEFS) and Western Ontario and McMaster Universities Osteoarthritis Index physical function subscale (WOMAC-PF) scores before and after primary total knee arthroplasty (TKA) or total hip …