Table 2.

Overall survival analysis of different prognostic variable in patients with bladder cancer by Cox Regression Analysis

		Univariate analysis		Multivariate analysis
	n	P	Hazard ratios (95% confidence interval)	P	Hazard ratios (95% confidence interval)
Clinical stage
Ta T1	83
T2 T3 T4	54
Histological grade
G1	34	0.003	2.412(1.302–3.673)	0.005	2.749 (1.437–3.758)
G2	70
G3	33
Bmi-1 expression
High	75	0.022	1.653(1.121–3.485)	0.032	1.863(1.132–3.753)
Low	62