SF-36 Health Survey scores with preoperative versus postoperative comparisons
| Time point | SF-36 component score | No. of patients | Mean | SD | P value (preoperatively vs postoperatively) |
|---|---|---|---|---|---|
| Preoperatively | PCS score | 30 | 30.40 | 9.05 | |
| MCS score | 30 | 40.06 | 12.56 | ||
| 6 wk | PCS score | 9 | 40.82 | 8.43 | .0138 |
| MCS score | 9 | 50.50 | 10.14 | .126 | |
| 3 mo | PCS score | 30 | 41.90 | 10.34 | <.0001 |
| MCS score | 30 | 47.23 | 13.32 | .0145 | |
| 6 mo | PCS score | 28 | 46.59 | 9.41 | <.0001 |
| MCS score | 28 | 48.05 | 14.22 | .0136 | |
| 12 mo | PCS score | 28 | 48.75 | 9.45 | <.0001 |
| MCS score | 28 | 49.11 | 14.20 | .0118 | |
| 24 mo | PCS score | 28 | 47.74 | 11.04 | <.0001 |
| MCS score | 28 | 46.30 | 13.34 | .1364 |