Composition of common bile duct stones in Chinese patients during and after endoscopic sphincterotomy

Table 3 Patients’ characteristics and compositions of recurrent CBD stones

	Bilirubinate	Cholesterol	P
	(n = 38)	(n = 3)
Age (yr)	66 ± 10	65 ± 6	0.836
Sex (M/F)	21/17	3/0	0.254
CBD diameter (cm)	1.9 ± 0.6	1.4 ± 0.2	0.159
Stone number (S/M)	16/22	1/2	1.000
Stone size (cm)	1.4 ± 0.8	0.8 ± 0.4	0.096
JPD			0.543
Present	13 (34)1	2 (67)
Absent	25 (66)	1 (33)
GB status			1.000
Cholecystectomy	18 (47)1	1 (33)
Intact GB	20 (53)	2 (67)
With stone	15 (39)	2 (67)

Three patients with mixed cholesterol and bilirubinate stones were excluded. CBD: Common bile duct; S/M: single/multiple; JPD: juxtapapillary diverticulum; GB: gallbladder.

¹Number of cases: the number inside the parenthesis shows the percentage.