Minor endoscopic sphincterotomy followed by large balloon dilation for large choledocholith treatment

Table 1 Baseline characteristics of patients

Variable	EPLBD + mEST	EST	P value
	n = 73	n = 76
Age in yr	59.7 ± 12.4	62.1 ± 13.7	0.2647
Sex, male/female	47/26	45/31	0.5160
Cholecystolithiasis	22 (30.1)	19 (25)	0.4828
Cirrhosis	5 (6.8)	6 (7.9)	0.8073
History of cholecystectomy	7 (9.6)	7 (9.2)	0.9369
Periampullary diverticulum	9 (12.3)	11 (14.5)	0.7010
Billroth II gastrectomy	2 (2.7)	3 (3.9)	0.9635
AMY in U/L	84.1 ± 21.9	90.1 ± 24.3	0.1160
TB in mg/dL	4.9 ± 2.1	5.3 ± 2.6	0.3007
ALT in IU/L	121.8 ± 27.6	117.3 ± 37.2	0.4005
AST in IU/L	91.1 ± 27.7	95.6 ± 31.3	0.3550
PT in s	11.2 ± 2.1	11.7 ± 2.3	0.1684
PC as × 106/L	157.2 ± 31.3	158.1 ± 31.2	0.8896
Maximum CBD diameter in mm	17.5 ± 4.6	18.1 ± 5.7	0.4817
Maximum stone diameter in mm	16.9 ± 4.1	16.5 ± 4.7	0.5813
CBD stones	2.9 ± 1.1	2.3 ± 1.9	0.4354

Data are presented as n (%) or mean ± SD. ALT: Alanine aminotransferase; AMY: Serum amylase level; AST: Aspartate aminotransferase; CBD: Common bile duct; EPLBD: Endoscopic papillary large balloon dilation; EST: Endoscopic sphincterotomy; LC: Leukocyte count; mEST: EST: Endoscopic sphincterotomy; PC: Platelet count; PT: Prothrombin time; TB: Total serum bilirubin.