Table 1. Characteristics of patients in class 1 and class 2 in TCGA cohort.

Characteristics	n	Class 1	Class 2	P-value
Total Cases	550	333	217
Age
≤48	287	240	47	<0.001
>48	263	93	170
Gender
Male	319	185	134	0.321
Female	231	148	83
Subtype
Classical	141	6	135	<0.001
Mesenchymal	31	1	30
Proneural	345	299	46
Neural	33	27	6
Grade
II	191	181	10	<0.001
III	211	151	60
IV	148	1	147
IDH
Mut	338	319	19	<0.001
WT	212	14	198
MGMT promoter
Methylated	383	302	81	<0.001
Unmethylated	135	31	104
NA	32	0	32

IDH = isocitrate dehydrogenase; MGMT = methylguanine methyltransferase.