SF-36 PCS scores
| SF-36 PCS score | |||
|---|---|---|---|
| n | Mean (SD) | % Change (SD) | |
| Baseline | 74 | 30.9 (5.6) | — |
| 2 y | 70 | 38.8 (11.3) | 29.8% (40.9%) |
| 5 y | 51 | 40.1 (13.6) | 29.9% (43.7%) |
NOTE. The Wilcoxon test was used to compare baseline data; tests were used to compare 2-and 5-year percent improvement