Establishment of an Immune-Related Gene Signature for Risk Stratification for Patients with Glioma

Table 4

The correlations between the risk score and clinicopathological characteristics.

Characteristics	TCGA cohort ()			CGGA cohort ()
	High risk	Low risk	value	High risk	Low risk	value
Age
<60	189	342		159	203
≥60	120	37		46	13
NA	—	—		1	—
Gender			0.8164			0.4308
Female	131	165		83	96
Male	178	214		123	120
Tumor grade
Low	149	374		93	189
High	160	5		113	27
IDH status
Mutation	78	356		66	142
Wild-type	223	21		137	38
NA	8	2		3	36
MGMT promoter status						0.2748
Methylation	148	339		90	107
Unmethylation	124	39		76	70
NA	37	1		40	39

TCGA: The Cancer Genome Atlas; CGGA: Chinese Glioma Genome Atlas; IDH: isocitrate dehydrogenase; MGMT: O-6-methylguanine-DNA methyltransferase; NA: not available; bold texts indicate statistically significant difference.