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Summary of surgical data and postoperative follow-up (n = 116).
| Characteristics | Value |
|---|---|
| Follow-up period (months) | 84.8 ± 52.7 (18–252) |
| Simpson grade | |
| I | 29 (25%) |
| II | 79 (68%) |
| III | 4 (3%) |
| IV | 4 (3%) |
| Adjuvant therapy | |
| Radiotherapy | 2 (2%) |
| Postoperative complication | |
| CSF leakage | 3 (3%) |
| Wound complication | 3 (3%) |
| Recurrence | 8 (7%) |
| Recurrence-free survival | |
| 1 y | 116/116 (100%) |
| 5 y | 67/69 (97%) |
| 10 y | 20/26 (78%) |
| Postoperative neurological change | |
| Improved | 73 (63%) |
| Stable | 34 (29%) |
| Worsened | 9 (8%) |
