Table 1.
Clinical characteristics of enrolled patients.
| Parameter | Result |
|---|---|
| n | 355 |
| Age (mean ± SD) | 62.5 ± 10.6 years |
| Sex, M:F (%) | 219:134 (62–38%) |
| Symptom duration (mean ± SD) | 1.5 ± 1.6 months |
| Tumor diameter (mean ± SD) | 4.7 ± 1.5 cm |
| Postoperative KPS (median, range) | 70 (90–20) |
| Tumor location (%) | |
| frontal | 109 (30.8%) |
| temporal | 150 (42.4%) |
| parietal | 54 (15.3%) |
| other | 29 (8.2%) |
| multicentric | 13 (3.7%) |
| Extent of resection | |
| GTR | 244 (68.7%) |
| STR | 93 (26.2%) |
| biopsy | 18 (5.1%) |
| Median OS | 13 months |
GTR, gross-total resection; KPS, Karnofsky performance status; STR, subtotal resection.