Bedside score predicting retained common bile duct stone in acute biliary pancreatitis

Table 2 Univariate analysis of parameters associated with common bile duct stones

Parameter	Odds ratio	Lower 95% confidence limit for odds ratio	Upper 95% confidence limit for odds ratio	P value
Age	1.048	1.021	1.076	0.0004
Gender, male vs female	0.573	0.258	1.276	0.1728
Aspartate transaminase	1.002	1.001	1.004	0.0015
Alkaline phosphatase	1.005	1.002	1.008	0.0005
Gamma-glutamyltransferase	1.003	1.001	1.004	0.0002
Total bilirubin	1.033	0.964	1.108	0.3515
White blood cells	1.052	0.970	1.142	0.2190
Common bile duct width by US (mm)	1.187	1.004	1.402	0.0445
Common bile duct dilation by US	4.032	1.601	10.153	0.0031

US: Ultrasound.