Table 2 Self-report outcome measures
| Â | Time | |||
|---|---|---|---|---|
| Â | Baseline | Preoperative | + 6 Weeks | + 12 Weeks |
WOMAC Pain | Â | Â | Â | Â |
   NMES | 11.7 ± 2.7 | 11.4 ± 3.3 | 7.9 ± 5.9 | 5.4 ± 4.0 a |
   Control | 10.0 ± 5.7 | 11.8 ± 4.0 | 5.4 ± 3.0 | 5.2 ± 4.3 |
WOMAC Function | Â | Â | Â | Â |
   NMES | 36.9 ± 11.3 | 34.7 ± 11.0 | 29.8 ± 16.9 | 19.9 ± 13.9 |
   Control | 37.0 ± 15.7 | 38.4 +/- 14.4 | 24.2 ± 9.9 | 21.6 ± 11.3 |
WOMAC Stiffness | Â | Â | Â | Â |
   NMES | 5.0 ± 2.9 | 5.1 ± 1.8 | 4.6 ± 2.4 | 3.2 ± 2.0 |
   Control | 4.8 ± 1.6 | 5.4 ± 1.3 | 4.6 ± 1.1 | 3.0 ± 1.4 |
SF-36 Physical Health | Â | Â | Â | Â |
   NMES | 41.0 ± 22.1 | 44.4 ± 18.7 | 35.7 ± 17.0 | 57.1 ± 18.0 b |
   Control | 39.0 ± 20.8 | 45.6 ± 17.8 | 39.0 ± 9.4 | 57.0 ± 25.2 |
SF-36 Mental Health | Â | Â | Â | Â |
   NMES | 63.7 ± 18.3 | 62.3 ± 17.5 | 58.6 ± 26.0 | 77.7 ± 14.7 b a |
   Control | 56.4 ± 22.6 | 68.6 ± 23.1 | 58.8 ± 19.5 | 71.0 ± 26.4 |