Table 3.

Logistic regression analysis of risk factors for bile peritonitis (univariate)

Factors	OR	95% CI	P
Gender (male)	2.57	0.78-8.43	0.120
Age (>75 years old)	1.02	0.33-3.15	0.973
Disease (malignant)	1.60	0.39-6.45	0.512
Number of punctures (>1)	8.33	1.36-50.95	0.022
Site of puncture (B3)	0.63	0.07-5.79	0.680
Kinds of fistula dilation (balloon)	1.07	0.32-3.57	0.914
Procedure time (>20)	3.86	1.06-13.98	0.040
Distance of hepatic parenchyma (<2.50 cm)	65.80	11.49-376.78	<0.001
The presence of ascites	1.27	0.29-5.49	0.750
Complicating acute cholangitis	3.72	1.10-12.60	0.035

OR: Odds ratio, CI: Confidence interval