Table 1. Clinical and molecular characteristics.

Variable Total (n, %)		GBM 274
Age, years	Median (range)	48 (18–81)
	Age ≥45	166 (61)
	Age <45	108 (39)
Gender	Male	169 (62)
	Female	105 (38)
Preoperative KPS score	Preoperative KPS ≥80	149 (54)
	Preoperative KPS <80	125 (46)
Resection	Gross total resection	163 (59)
	Subtotal	111 (41)
Postoperative Treatment	RT plus TMZ	229 (84)
	RT only	45 (16)
IDH1/2 mutation	Mutation	56 (20)
	Wildtype	209 (76)
	NA	9 (3)
MGMT promoter methylation	Methylated	95 (35)
	Not methylated	143 (52)
	NA	36 (13)