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Table 2 The independent prognostic factors by multivariable Cox regression with the backward stepwise selection method in the training cohort

From: Incidence trends and survival prediction of urothelial cancer of the bladder: a population-based study

Factors Hazard ratio 95% CI P
Age 1.03 1.03-1.04 < 0.0001
Grade    
 Well 1 - -
 Moderately 1.84 1.12-3.02 0.016
 Poorly 3.19 1.99-5.12 < 0.0001
 Undifferentiated 3.15 1.97-5.03 < 0.0001
Ethnic group    
 White 1 - -
 Black 1.21 1.01-1.46 0.043
 Other 0.85 0.69-1.06 0.146
Marital status    
 Married 1 - -
 Single 1.29 1.12-1.49 0.0004
 SDW2 1.22 1.1-1.36 0.0002
Insurance    
 Yes 1 - -
 No 1.39 1.09-1.76 0.007
AJCC    
 I 1 - -
 II 3.59 3.17-4.07 < 0.0001
 III 6.8 5.74-8.07 < 0.0001
 IV 18.04 15.6-20.86 < 0.0001
Size    
 1-20 mm 1 - -
 21-49 mm 1.19 1.03-1.37 0.021
 ≥ 50 mm 1.52 1.31-1.75 < 0.0001
Regional lymph nodes removed    
 Yes 1 - -
 No 1.99 1.76-2.24 < 0.0001
Chemotherapy    
 Yes 1 - -
 No 1.41 1.27-1.56 < 0.0001
  1. SDW separated or divorced or widowed, AJCC American Joint Committee on Cancer