Table 2
Patient Baseline Descriptive Characteristics*
| Mean (SE)* | ||
|---|---|---|
| Characteristic | Control (n=34) | Intervention (n=37) |
| Age, y | 71.5 (1.8) | 70.4 (1.8) |
| Sex, % women | 41.2 | 54.0 |
| Surgeon A/B, % surgeon A | 38.2 | 29.7 |
| Preoperative narcotic use, mg | 8.8 (1.4) | 9.6 (1.0) |
| WOMAC score | ||
| Pain | 1.8 (0.14) | 1.6 (0.13) |
| Stiffness | 2.0 (0.16) | 1.9 (0.15) |
| Function | 1.9 (0.13) | 1.8 (0.14) |
*Unless otherwise indicated.
WOMAC=Western Ontario and McMaster University Osteoarthritis Index.