Wilcoxon signed rank test (preoperative vs postoperative VAS).
| Patient population | VAS Preoperative | VAS 17.2 y | P Value |
| Total patients | 8.8 (n = 26) | 3.1 (n = 16) | |
| Followed up | 9.5 (n = 16) | 3.1 (n = 16) | <0.001 |
| Lost to follow-up | 7.5 (n = 10) | N/A |
Abbreviations: N/A, not applicable; VAS, visual analog scale.
Note: Boldface indicates statistically significant findings.