Prognostic Implications of Immune-Related Gene Pairs Signatures in Bladder Cancer

Table 1

Clinical characteristics of bladder cancer patients in different datasets.

Characteristic	TCGA cohort			Validation cohort
	Training set	Testing set	value	GSE13507
No. of samples	276	115		165
Median age in years (range)	68 (34–88)	69 (37–89)	0.8731	66 (24–88)
Gender
Male	207	83	0.6492	135
Female	69	32		30
Stage
T0	1	0	0.9500	24
T1	3	0		80
T2	96	41		31
T3	133	56		19
T4	42	18		11
TX	1	0		0
Lymph node metastasis
N0	153	72	0.8184	149
N1	34	10		8
N2	54	21		6
N3	6	1		1
NX	26	10		1
NA	3	1		0
Distant metastasis
M0	130	57	0.7559	158
M1	8	2		7
MX	137	55		0
NA	1	1		0