Comparative responsiveness of measures of pain and function after total hip replacement
Objective. To compare the responsiveness of the Functional Assessment System (FAS), the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC), and the Medical Outcomes Study 36-item Short Form (SF-36) in patients with osteoarthritis (OA) scheduled for total hip replacement. Method. Twenty patients with a mean age at surgery of 72.6 years, with primary OA of the hip, were investiga
