Table 1.

Patient characteristics (n = 208).

Median Age (IQR) (in y)	61 (51–71)
Sex
Female	152 (73.1%)
Male	56 (26.9%)
Median preoperative KPS (IQR)	90 (80–100)
Tumor location
Convexity	65 (31.3%)
Falx	36 (17.3%)
Sphenoid wing	35 (16.8%)
Posterior fossa	29 (13.9%)
Frontobasal	27 (13.0%)
Others	16 (7.7%)
Multiple meningioma	18 (8.7%)
Peritumoral edema	102 (49.0%)
Simpson grade
Simpson grade I and II	174 (83.7%)
Simpson grade ≥ III	34 (16.3%)
WHO grade
WHO grade I	175 (84.1%)
WHO grade II	33 (15.9%)