Table 2.

Characteristics of patients in low and high-risk scores in CGGA cohort.

Characteristic	N	High-risk, N = 4851	Low-risk, N = 4851	p-value2
PRS-type	966			<0.001
Primary		274	352
Recurrent		185	126
Secondary		23	6
Histology	966			<0.001
GBM		312	62
LGG		170	422
Grade	966			<0.001
WHO II		42	228
WHO III		128	194
WHO IV		312	62
Gender	970			0.3
Female		191	208
Male		294	277
Age	969			<0.001
≤41		180	260
>41		304	225
IDH mutation status	921			<0.001
Mutant		132	368
Wild type		340	81
1p/19q codeletion status	896			<0.001
Codeletion		9	190
Non-codeletion		433	264
MGMTp methylation status	817			0.002
methylated		210	246
un-methylated		206	155

¹Statistics presented: n.

²Statistical tests performed: chi-square test of independence.