Table 2.

Clinical features and cancer specific survival. Kaplan-Meier estimates and ^d Peto-Pike's log rank test.

Variable	No. of patients	Actuarial 5-yr CSS (%)	Median CSS (months)	p valued
Thrombus consistency				p = 0.8
Friable	188	43,86	45
Solid	225	49,55	50
pT stage				p < 0.001
pT3b	251	55,85	113
pT3c	130	39,51	35
pT4	32	11,36	17
Fuhrmann grade				p < 0.001
1	9	25,4	26
2	96	71,35	>118
3	194	44,67	51
4	114	29,97	25
VTT level				p < 0.001
1	113	67,91	>118
2	136	48,94	51
3	85	34,72	31
4	79	32,2	30
Histological subtype				p = 0.005
cRCC	371	49,58	53
pRCC	29	26,48	20
chRCC	13	38,1	49
Nodal status				p < 0.001
N0 / Nx	297	55,15	84
N+	116	26,18	21
Distant metastasis				p < 0.001
M0 / Mx	303	56,55	99
M1	110	19,84	15
Perinephric fat invasion				p < 0.001
Yes	266	36,71	34
No	147	67,64	118
IVC wall invasion				p < 0.01
Yes	119	31,42	32
No	294	51,72	81
Sex				p = 0.2
Male	278	50,03	78
Female	135	42,56	41
Age				p = 0.1
<60	170	41,54	43
≥60	243	52,19	81