Table 1.

Baseline information of patients in TCGA-KIRC.

Clinical features		Numbers	Percentage (%)
Age	<=65	352	65.5
	>65	185	34.5
Gender	Female	191	35.6
	Male	346	64.4
Grade	G1	14	2.6
	G2	230	42.8
	G3	207	38.5
	G4	78	14.5
	Unknown	8	1.5
Stage	Stage I	269	50.1
	Stage II	57	10.6
	Stage III	125	23.3
	Stage IV	83	15.5
	Unknown	3	0.6
T-stage	T1	275	51.2
	T2	69	12.8
	T3	182	33.9
	T4	11	2.0
M-stage	M0	426	79.3
	M1	79	14.7
	Unknown	32	6.0
N-stage	N0	240	44.7
	N1	17	3.2
	Unknown	280	52.1