C-reactive protein is a prognostic indicator in patients with perihilar cholangiocarcinoma

Table 3 Results of univariate analysis for prognostic factors of survival

Variables	Hazard ratio	90% CI		P
Age	1.028	1.004	1.052	0.053
Bismuth type	0.784	0.656	0.927	0.023
Bilirubin	1.024	1.002	1.046	0.067
PT	0.996	0.989	1.004	0.402
CRPa	1.007	1.003	1.011	0.002
CA19-9	1.000	1.000	1.000	0.079
History of weight loss (yes/no)	1.125	0.783	1.615	0.592
Resection (yes/no)a	0.559	0.345	0.908	0.049
Chemotherapy (yes/no)	0.700	0.437	1.123	0.215
PDT (yes/no)	0.670	0.458	0.980	0.084

PT: Prothrombin time, CRP: C-reactive protein, CA 19-9: Carbohydrate-Antigen 19-9. Significant in the multivariate analysis (^aP < 0.05).