Table 1.
Patient characteristics (n = 71).
| Median Age (IQR) (in y) | 63 (56–75) |
|---|---|
| Sex Female Male |
41 (57.7%) 30 (42.3%) |
| Median preoperative KPS (IQR) | 90 (80–100) |
| Tumor location | |
| Convexity | 27 (38.0%) |
| Falx | 18 (25.4%) |
| Sphenoid wing | 10 (14.1%) |
| Posterior fossa | 8 (11.3%) |
| Frontobasal | 7 (9.9%) |
| Others | 1 (1.4%) |
| Multiple meningiomas | 12 (16.9%) |
| Sinus invasion | 15 (21.1%) |
| Peritumoral edema | 46 (64.8%) |
| Simpson grade Simpson grade I&II Simpson grade ≥ III |
56 (78.9%) 15 (21.1%) |
| Brain invasion | 15 (21.1%) |
| High mitotic count (≥4) | 35 (49.3%) |
| Brain invasion and/or high mitotic count | 50 (70.4%) |
| Minor atypical criteria only | 21 (29.6%) |
| Median MIB-1 (IQR) | 5 (5–10) |
| Median mitotic count (IQR) | 3 (1–6) |
| Adjuvant radiotherapy | 3 (4.2%) |