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
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

Exp (B) is used to denote hazard ratio, and 95% CI is used to denote 95% confidence interval.

Storr et al.

Storr et al. BMC Cancer 2012 12:511   doi:10.1186/1471-2407-12-511

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