Table 1.

Characteristics of TCGA and CGGA datasets

	TCGA (n = 522)	CGGA (n = 623)
Age
≤41	275	353
>41	247	269
N/A	0	1
Gender
Male	289	360
Female	233	263
Grade
II	256	290
III	265	333
N/A	1	0
IDH status
Mutant	423	438
Wild-type	96	144
N/A	3	41
Radiotherapy
Yes	291	456
No	184	134
N/A	47	33
Chemotherapy
Yes	−	374
No	−	208
N/A	−	41

IDH, isocitrate dehydrogenase.