Table 1.

The clinical characteristics of KIRC patients.

Variables	Group	Total set (n = 517)	Training set (n = 367)	Testing set (n = 151)	P value
Vital status	Alive	361	249	111	0.136
	Dead	156	118	38
Survival time		1054.797	1046.125	1070.073	0.815
Clinical Stage	I	257	189	68	0.233
	II	54	36	19
	III	123	80	43
	IV	83	62	21
T stage	T1	262	192	70	0.637
	T2	65	46	20
	T3	179	122	57
	T4	11	7	4
N stage	N0	233	166	67	0.348
	N1	15	8	7
	NX	269	193	77
M stage	M0	413	286	128	0.144
	M1	78	59	19
	MX	26	22	4
Grade	G1	13	11	2	0.478
	G2	225	161	65
	G3	204	146	58
	G4	75	49	26
Gender	Male	339	236	104	0.32
	Female	178	131	47
Age	<65	326	233	94	0.791
	≥65	191	134	57