Ursodeoxycholic acid combined with percutaneous transhepatic balloon dilation for management of gallstones after elimination of common bile duct stones

Table 1 Baseline characteristics of patients

No.	Gender /age	CBD/gallbladder
		Number of stones	Diameter of the largest stone (mm)	Diameter of the largest balloon (mm)
1	F/58	2/2	10/6	12/8
2	M/45	3/1	15/7	16/8
3	M/75	1/2	25/10	24/10
4	F/67	1/1	20/8	20/8
5	F/64	3/2	20/9	20/10
6	M/68	2/2	21/10	20/10
7	F/73	3/1	22/14	20/-
8	F/76	3/2	20/11	20/12
9	M/86	2/1	21/10	20/10
10	F/81	3/1	19/8	18/8
11	F/67	1/2	20/10	20/10
12	F/72	2/1	21/12	20/12
13	M/76	2/3	18/15	18/-
14	F/65	3/1	18/12	18/12
15	M/63	1/1	20/12	20/12

CBD: Common bile duct.