Preoperative patient characteristics. Values are mean (SD) or % unless otherwise specified.
| Characteristics | SLE, n = 58 | OA, n = 116 | p |
|---|---|---|---|
| Age, yrs | 52.0 (2.3) | 50.3 (1.8) | 0.57 |
| Female | 89.6 | 90.5 | 0.83 |
| Hip resurfacing | 5.2 | 5.2 | 0.17 |
| Unilateral replacement | 94.8 | 97.1 | 0.42 |
| BMI | 27.2 (0.8) | 27.0 (0.6) | 0.88 |
| Diabetes | 3.5 | 0.9 | 0.25 |
| WOMAC pain, 1–100, 1 is worst pain | 40.5 (18.4) | 48.4 (20.6) | 0.04 |
| WOMAC function, 1–100, 1 is worst function | 39.6 (19.8) | 46.9 (20.0) | 0.06 |
Significant data are in bold face. SLE: systemic lupus erythematosus; OA: osteoarthritis; BMI: body mass index; WOMAC: Western Ontario and McMaster Universities Osteoarthritis Index.