Table 1.

The clinicopathological characteristics between high-risk score group and low-risk score group in CGGA database.

Characteristics		High-risk score (n = 96)	Low-risk score (n = 95)	P value
Age (yr)	<60	73	92	<0.001
	≥60	23	3
Gender	Male	59	59	0.927
	Female	37	36
Gross total resection	Yes	50	49	0.098
	No	28	46
WHO grade	2	11	70	<0.001
	3	21	19
	4	64	6
Histology	Oligodendroglial	19	63	<0.001
	Non-oligodendroglial	77	32
IDH mutation	Yes	19	80	<0.001
	No	77	15
1p/19q codeletion	Yes	0	48	<0.001
	No	95	46
MGMT promoter methylation	Yes	33	44	0.001
	No	50	22
Chemotherapy	Yes	66	40	0.001
	No	30	50