Table 2 Overall survival analysis of different prognostic variable in patients with bladder cancer by Cox Regression Analysis

n

P

Hazard ratios (95% confidence interval)

P

Hazard ratios (95% confidence interval)

Clinical stage

   T_a 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