Table 1.

Associations between risk model and clinicopathological parameters of patients.

Parameters	TCGA_KIRC cohort		χ2	P-value
	Low risk (n = 254)	High risk (n = 253)
Age (years)
≤ 60	133	127	0.238	0.626
> 60	121	126
Gender
Female	150	183	9.912	0.002
Male	104	70
Grade
G1 + G2	147	79	36.433	< 0.001
G3 + G4	107	174
T stage
T1 + T2	193	131	32.196	< 0.001
T3 + T4	61	122
N stage
N0 + Nx	252	239	9.342	0.002
N1	2	14
M stage
M0 + Mx	231	198	15.665	< 0.001
M1	23	55
Stage
I + II	188	118	39.698	< 0.001
III + IV	66	135
Status
Dead	207	138	42.341	< 0.001
Alive	47	115