Identification of an independent immune-genes prognostic index for renal cell carcinoma

BMC Cancer

Table 1 Clinical characteristics of included patients in the study

Variables	Total (n = 507)	Training cohort (n = 252)	Validation cohort (n = 255)
Age (year)
< 40	17	9	8
40–59	225	110	115
60–79	253	130	123
80+	22	13	9
Gender
FEMALE	179	89	90
MALE	338	173	165
Grade
G1	13	6	7
G2	223	125	98
G3	203	91	112
G4	73	37	36
GX	5	3	2
Stage
I	257	136	121
II	55	25	30
III	123	63	60
IV	82	38	44
T stage
T1	263	137	126
T2	67	31	36
T3	176	87	89
T4	11	7	4
N stage
N0	236	124	112
N1	15	6	9
NX	266	132	134
M stage
M0	414	217	197
M1	77	35	42
MX	26	10	16

ISSN: 1471-2407