Table 2. Univariate and Multivariate analysis for overall survival.

Variable	Univariate (95% CI)	P	Multivariate (95% CI)	P
Type health coverage (public)	1.92 (1.25-2.94)	0.003	1.61 (1.01-2.56)	0.047
No prior nephrectomy	2.47 (1.46-4.17)	0.001	1.21 (0.64-2.29)	0.56
IMDC poor risk	3.80 (2.37-6.06)	<0.001	3.15 (1.79-5.53)	<0.001
ECOG ≥2	3.43 (2.15-5.45)	<0.001	1.81 (1.02-3.22)	0.04
Synchronic metastasis	1.56 (1.07-2.26)	0.02	1.32 (0.86-2.03)	0.21
≥2 sites metastasis	2.02 (1.28-3.20)	0.0030	2.81 (1.67-4.71)	<0.001
Non-clear cell histology	1.51 (0.94-2.44)	0.09

ECOG = Eastern Cooperative Oncology; IMDC = International Metastatic Renal Cell Carcinoma Database Consortium risk model classification; 95% CI = 95% Confidence Interval