Anisodamine accelerates spontaneous passage of single symptomatic bile duct stones ≤ 10 mm

Table 3 Factors associated with spontaneous passage of common bile duct stones in univariate and multivariate logistic regression models

Parameters	Univariate analyses			Multivariate analyses
	OR	95%CI	P value	OR	95%CI	P value
Age	1.141	0.735-1.724	0.534
Sex	0.980	0.545-1.763	0.947
Main presentation	1.001	0.754-1.328	0.994
Diagnosis by imaging method	0.976	0.438-2.177	0.954
Diameter of CBD stone	2.847	1.819-4.458	0.000	3.095	1.927-4.970	0.000
Median diameter of CBD	1.331	0.726-2.041	0.342
History of cholecystectomy	1.070	0.557-2.054	0.839
Anisodamine treatment	3.023	1.632-5.600	0.000	3.534	1.810-6.902	0.000
Median time interval from onset to hospital admission	0.596	0.252-1.412	0.240

CBD: Common bile duct.