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Table 5 Univariate and multiple Cox proportional hazards models for the prediction of 90-day morbidity

From: Radical cystectomy over the age of 75 is safe and increases survival

  Crude   Adjusted  
  HR (95% CI) ‡ P HR (95% CI) P
Gender     
   Male 1.00*    
   Female 0.98 (0.42 - 2.28) 0.955   
Age (years), mean ± SD 1.08 (0.99 - 1.17) 0.079   
Age (years)     
   <77 1.00*   1.00*  
   77-80 4.12 (1.18 - 14.33) 0.026 4.92 (1.35 - 17.95) 0.016
   >80 4.04 (1.14 - 14.31) 0.031 5.86 (1.47 - 23.42) 0.012
BMI, mean ± SD 1.15 (1.04 - 1.27) 0.008 1.18 (1.04 - 1.34) 0.011
Urinary diversion     
   Ileal conduit 1.00*    
   S-pouch **    
   Cutaneous ureterostomy 1.18 (0.57 - 2.44) 0.658   
pT (TNM system)     
   pTis 1.00*    
   pT1 to pT2b 0.51 (0.18 - 1.42) 0.197   
   pT3a to pT3b 0.62 (0.23 - 1.72) 0.362   
   pT4a to pT4b 0.56 (0.16 - 2) 0.377   
Nodes (TNM system)     
   0 1.00*    
   1-2 1.2 (0.53 - 2.7) 0.665   
Hospital stay, mean ± SD 1.05 (1.02 - 1.09) 0.002 1.06 (1.02 - 1.09) 0.002
Charlson score     
   ≤6 1.00*   1.00*  
   >6 2.43 (1.03 - 5.7) 0.042 2.51 (1.06 - 5.94) 0.037
  1. ‡Hazard Ratio (95% Confidence Interval).
  2. *Indicates reference category.
  3. **Hazard ratio cannot be calculated because of no distribution.