Comparison of clinical outcomes and slippage percentage of interlaminar percutaneous endoscopic pars decompression between the preoperative and postoperative periods.
| Clinical Outcome | Preoperative | Postoperative | P Value |
| Visual analog scale for leg pain | 5.18 ± 3.34 | 0.82 ± 0.98 | 0.007 |
| Oswestry Disability Index | 41.72 ± 19.24 | 17.78 ± 12.26 | 0.005 |
| Percent slippage | 8.03 ± 11.27 | 7.42 ± 9.36 | 1.000 |
Note: The variables were compared using the Wilcoxon signed-rank test. The P values were determined to be significant at the 0.05 level.