Table 2.

Characteristics of patients in low and high risk scores in TCGA cohort.

Characteristics	n	Risk score		P-value
		Low	High
Total Cases	601	301	300
Age
<49	320	211	109	<0.0001
≥49	281	90	191
Gender
Male	351	178	173	0.7774
Female	250	123	127
Grade
II	211	168	43	<0.0001
III	236	131	105
IV	154	2	152
Subtype
Neural	36	19	17	<0.0001
Proneural	381	279	102
Classical	149	3	146
Mesenchymal	35	0	35
IDH status
Mutant	374	293	81	<0.0001
Wildtype	227	8	219
1p/19q status
Codel	149	142	7	<0.0001
Non-codel	223	150	73
NA	229	9	220
MGMT promoter status
Unmethylated	147	20	127	<0.0001
Methylated	420	281	139
NA	34	0	34
EGFR status
Amplification	106	1	105	<0.0001
No amplification	487	298	189
NA	8	2	6

Statistical significance is shown in bold.