Table 1. Univariate and multivariate Cox regression analysis of overall survival in archival ccRCC patients.

Variables	No. of patients (%)		Univariate analysis			Multivariate analysis
			HR	95% CI	P value	HR	95% CI	P value
Sex					0.508			0.889
Female	28(42.42%)	Male vs female	0.749	0.317-1.765		1.069	0.419-2.725
Male	38(57.58%)
Age (y)					0.936			0.515
≤60	38(57.58%)	>60 vs ≤60	1.036	0.439-2.442		1.356	0.541-3.399
>60	28(42.42%)
Tumor size (cm)					0.834			0.470
≤4	20(30.30%)	>4 vs ≤4	0.960	0.655-1.407		1.205	0.726-2.002
>4	32(48.48%)
Location					0.385			0.267
Left	30(45.45%)	Right vs Left	0.684	0.290-1.611		0.601	0.245-1.476
Right	36(54.55%)
Fuhrman grade					0.237			0.075
I, II	45(68.18%)	III, IV vs I, II	1.462	0.779-2.747		1.995	0.933-4.264
III, IV	18(27.27%)
pT status					0.002			0.026
pT1/T2	51(77.30%)	pT1/T2 vs pT3/T4	4.509	1.751-11.611		3.524	1.164-10.674
pT3/T4	15(22.70%)
miR-93 expression					0.002			0.008
Low	34(51.52%)	High vs Low	5.281	1.886-14.786		4.619	1.488-14.338
High	32(48.48%)

HR, hazard ratio.