Risk Factors for Single and Multiple Recurrences for Endoscopic Retrograde Cholangiopancreatography and Open Choledochotomy in Treating Choledocholithiasis

Table 4

Risk factors for multiple common bile duct stone recurrences (all analyzed patients).

	Multiple recurrences ()	No further recurrence ()	Univariate analysis	Multivariate analysis
				OR	95% CI
Sex
Male	41	58	0.837	—	—	—
Female	40	65
Age (years)
<65	46	73	0.646	—	—	—
≥65	35	50
Diabetes
No	71	110	0.760	—	—	—
Yes	10	13
Family history of biliary stones
No	62	94	0.983	—	—	—
Yes	19	29
Stone number
Single	11	22	0.449	—	—	—
Multiple	51	72
Maximum stone diameter(mm)
<15	20	36	0.295	—	—	—
≥15	42	58
Operation method
Open choledochotomy	35	50	0.339	—	—	—
Endoscopic retrograde choledocholithotomy	46	73
Cholecystectomy
No	62	91	0.763	—	—	—
Yes	19	32
Sedentary occupations
No	34	40	0.223	—	—	—
Yes	47	83
High-fat diet (postoperative)
No	54	111	<0.001	4.625	2.177-9.828	<0.001
Yes	27	12
Frequency of weekly vegetable intake (postoperative)
≥4	59	114	0.001	—	—	—
<4	22	9
Drinking (postoperative)
No	62	103	0.408	—	—	—
Yes	19	20
Smoking (postoperative)
No	65	115	0.022	—	—	—
Yes	16	8