Table 1.

The information of patients in 4 datasets.

Characteristic	TCGA	GSE16011	REMBRANDT	Huanhu
Total	703	284	472	127
Age
≥52	263	133		45
<52	407	143		82
Gender
Male	386	184	221	77
Female	284	92	126	50
Grade
I		8	2
II	248	24	98	39
III	261	85	85	35
IV	161	159	130	53
Histology
Pilocytic astrocytoma		8
Astrocytoma	192	29	147	28
Oligodendroglioma	190	52	67	46
Oligoastrocytoma	128	28
Glioblastoma	160	159	219	53
Mixed glioma			11
IDH1 mutation
Yes	91	81		87
No	34	140		40
1p19q codeletion
Yes		110		48
No		45		29
KPS
<80	71	82
≥80	341	182