Table 3.

Risk factors for non-infectious complications

	Univariate OR (95% CI)	P-value	Multivariate OR (95% CI)	P-value
Female gender	0.99 (0.37–2.65)	0.98
Age	1.02 (0.97–1.07)	0.46
BMI	1.10 (0.98–1.22)	0.10	0.99 (0.94–1.04)	0.65
Internalized drainage	2.32 (0.50–10.80)	0.28
Re-interventions within 30 days	1.52 (1.27–1.82)	0.00	1.52 (1.27–1.83)	0.00
Malignant disease	0.81 (0.51–1.28)	0.36
Diabetes Mellitus	0.80 (0.44–1.44)	0.45
Smoker	0.75 (0.27–2.06)	0.58
Medical history of biliary surgery	1.26 (0.66–2.42)	0.48
Prophylactic Antibiotics	0.53 (0.20–1.42)	0.20