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Table 3 Cox proportional hazards analysis for overall survival in the pancreatic cancer cohort (A) and the bile duct and ampullary cancer cohort (B) for calpain-2 and calpastatin expression respectively

From: Calpain system protein expression in carcinomas of the pancreas, bile duct and ampulla

A      
   p value Exp(B) 95.0% CI for Exp(B)
     Lower Upper
  Calpain 2 expression 0.007 0.342 0.157 0.741
  Sex 0.042 2.136 1.029 4.433
  T stage 0.672 1.242 0.456 3.380
  Node status 0.224 1.642 0.738 3.653
  Vascular invasion 0.683 0.868 0.439 1.715
  Perineural invasion 0.946 1.030 0.434 2.442
  Grade 0.211 1.481 0.801 2.741
  Tumour size 0.017 2.929 1.209 7.098
  Patient age 0.332 0.709 0.353 1.421
B      
   p value Exp(B) 95.0% CI for Exp(B)
     Lower Upper
  Cytoplasmic calpastatin 0.037 0.595 0.365 0.968
  T stage 0.083 1.525 0.946 2.459
  Perineural invasion 0.388 1.251 0.752 2.083
  Grade 0.124 1.422 0.908 2.225
  1. Exp (B) is used to denote hazard ratio, and 95% CI is used to denote 95% confidence interval.
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