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Preoperative patient characteristics.
| Factor | Preoperative Seizures | Total | |
|---|---|---|---|
| Yes | No | ||
| Male | 39 (28.3%) | 99 (71.7%) | 138 |
| Female | 48 (17%) | 234 (83%) | 282 |
| Median Age | 56 years | 56 years | 56 years |
| Skull-Base | 21 (14.3%) | 126 (85.7%) | 147 |
| Non-Skull-Base | 66 (24.2%) | 207 (75.8%) | 273 |
| Preoperative edema | 58 (25.9%) | 166 (74.1%) | 224 |
| Preoperative antiepileptic drug | 79 (97.5%) | 2 (2.5%) | 81 |
