Table 3.

Univariate and multivariate analyses for predicting recurrence-free survival

		Univariate				Multivariate
		p value	HR	HR 95% CI		p value	HR	HR95% CI
Sex	Women vs men	0.006	5.009	1.589	15.787	0.009	7.360	1.649	32.856
Age	High vs low	0.324	1.633	0.617	4.325	0.453	0.640	0.199	2.054
T stage	pT1 vs pTa	0.925	1.056	0.342	3.261	0.096	5.274	0.743	37.435
Tumor grade	High vs low	0.526	0.694	0.225	2.142	0.657	0.650	0.097	4.357
Tumor size	≥3 cm vs < 3 cm	0.014	3.487	1.282	9.480	< 0.001	23.697	4.383	128.117
Number of tumor	Multiple vs single	0.189	0.527	0.203	1.370	0.477	1.688	0.398	7.148
Tumor recurrence	Recurrence vs primary	0.531	1.397	0.491	3.973	0.052	4.122	0.988	17.190
Instillation	Yes vs no	0.068	0.253	0.058	1.108	0.088	0.182	0.026	1.290
AR mRNA expression	High vs low	0.123	0.438	0.153	1.250	0.028	0.202	0.048	0.841

mRNA messenger ribonucleic acid, HR hazard ratio, CI confidence interval