Table 4.

Cox proportional-hazards regression

Covariates	Percentages or mean ± SD	HR	95% CI	p-value
Age	72.3±12.6	1.0	0.99–1.03	0.48
Gender Male Female	53.3 (81/152) 46.7 (71/152)	1.0	0.67–1.40	0.87
Therapy % patients therapy Sensible % patients therapy Resistant	94.7 (144/152) 5.3 (8/152)	0.6	0.26–1.37	0.22
Frequent bacteria K. Pneumoniae + Pseudomonas aeruginosa+ E. coli Others	57.9 (88/152) 42.1 (64/152)	1.1	0.74–1.53	0.74
Disease type % patients with cancer: CCA, GBC, PHC or ACA % patients with inflammatory disease CHL, CHA or CHP	78.3 (119/152) 21.7 (33/152)	73.6	10.1–537.5	<0.0001 *

Note: *Significant test.

Abbreviations: HR, hazard ratio(s); CCA, Cholangiocarcinoma; PHC, carcinoma of the head of the pancreas; ACA, ampullary carcinoma; GBC, gallbladder carcinoma; CHL, cholelithiasis; CHA, cholangitis; CHP, chronic pancreatitis HR, hazards ratio; CI, confidence interval; SD, standard deviation.