| Patient | Prior to first surgery (%) | Post-revisional surgery (%) |
| 1 | 0 | 100 |
| 2 | 0 | 88 |
| 3 | 0 | 88 |
| 4 | 44 | 60 |
| 5 | 64 | 90 |
| 6 | 4 | 72 |
| 7 | 0 | 88 |
| 8 | 80 | 100 |
| 9 | 0 | 70 |
| 10 | 10 | 76 |
| Mean ± SD | 20.2 ± 30.7 | 83.2 ± 13.2 |