Microbial Profiles and Risk Factors of Preexisting Biliary Infection in Patients with Therapeutic Endoscopy

Table 5

Multivariate analysis of risk factors for positive bile culture.

Factors	Wald	OR	value	95% CI
Preoperative jaundice drug therapy	5.267	0.704	0.022	0.521-0.950
Age	9.267	1.592	0.002	1.180-2.147
Common bile duct diameter	19.629	2.114	<0.001	1.518-2.944
Endoscopic diagnoses	5.819		0.561
Cholelithiasis	0.246	0.475	0.620	0.025-8.957
Malignant strictures	0.654	2.414	0.419	0.285-20.450
Benign strictures	0.457	2.124	0.499	0.239-18.845
Bile duct expansions for unknown reasons	0.659	2.505	0.417	0.273-23.017
Pancreatic disorders	0.320	1.915	0.572	0.201-18.211
Other diseases	0.000	1.026	0.987	0.046-22.797
Clonorchiasis	1.905	5.889	0.168	0.475-73.035
Previous ERCP history	22.250	2.156	<0.001	1.567-2.967
Previous orthotopic liver transplantation	7.198	4.914	0.007	1.536-15.725
Papilla types	24.076		0.000
Minor papilla	0.172	0.846	0.678	0.383-1.868
Papillary diverticulum	0.587	0.599	0.444	0.162-2.220
Tumor	2.960	2.082	0.085	0.903-4.799
Papillary fistula	0.171	1.254	0.679	0.429-3.662
Cannulation methods	3.486		0.175
Dual-guidewire	1.685	2.167	0.194	0.674-6.962
Precut papillotomy	0.013	1.093	0.908	0.244-4.890