Table 2. Patient-reported outcome scores before and after total joint arthroplasty.
| Time | Total hip arthroplasty | Total knee arthroplasty | |
|---|---|---|---|
| SF12 Mental Component score | Pre-operative | 44.6 (11.1) | 45.2 (11.4) |
| At one year | 47.6 (10.5) | 47.0 (11.3) | |
| SF12 Physical Component score | Pre-operative | 33.7 (7.6) | 34.7 (7.4) |
| At one year | 44.2 (9.8) | 40.8 (9.2) | |
| WOMAC Pain score | Pre-operative | 39.8 (18.1) | 39.2 (17.4) |
| At one year | 84.4 (20.0) | 73.4 (22.5) | |
| WOMAC Function score | Pre-operative | 40.6 (18.9) | 43.6 (19.2) |
| At one year | 78.7 (21.7) | 70.1 (22.7) |
Mean values (SD) of global health perceptions and of symptom scores among patients who underwent primary elective total joint arthroplasty, pre-operatively and at one-year post-operative follow-up, Geneva Arthroplasty Registry, Geneva, Switzerland, 2010–2016. SF12: Short-Form 12-item questionnaire. WOMAC: Western Ontario and McMaster Universities Osteoarthritis Index 12-item questionnaire.