Clinical efficacy of laparoscopic cholecystectomy combined with endoscopic papillary balloon dilation in treatment of gallbladder stones with common bile duct stones: A retrospective study

Table 1 General data of the two patient groups

Variable	LC + EPBD group (n = 50)	LC + EST group (n = 52)	t/χ2	P value
Age (year)	57.22 ± 8.03	58.19 ± 8.74	-0.584	0.560
Gender (male/female)	25/24	24/28	0.151	0.698
BMI	22.35 ± 3.21	23.15 ± 3.91	-1.127	0.263
Size of bile duct stones (mm)	8.18 ± 2.19	8.56 ± 2.57	-0.797	0.427
Diameter of the common bile duct (mm)	11.84 ± 1.40	12.12 ± 1.59	-0.925	0.357
Number of bile duct stones (n)	3.02 ± 1.22	2.77 ± 1.17	1.062	0.291

LC: Laparoscopic cholecystectomy; EST: Endoscopic sphincterotomy; EPBD: Endoscopic papillary balloon dilation; BMI: Body mass index.