TABLE 1.

Basic characteristics of all the data.

	TCGA-GBM	CGGA325	CGGA693	GSE83300
Total	166	137	237	50
Age
>60	81	14	52	4
≤60	85	123	185	46
Gender
Male	107	87	139	25
Female	59	50	98	25
Chemo_therapy
Yes	117	99	199	0
No	31	34	27	0
NA	18	4	11	50
IDH1_mut
Mutant	6	39	45	0
Wild type	113	98	182	0
NA	47	0	10	50
Cluster
cluster1	84	145	101	32
cluster2	53	92	65	18
Cluster.gene
Cluster1	80	151	96	29
Cluster2	57	86	70	21
Event
Dead	133	124	197	39
Alive	33	13	40	11