Management of choledocholithiasis: Comparison between laparoscopic common bile duct exploration and intraoperative endoscopic sphincterotomy

Table 1 Clinical and demographic details in patients of groups A and B

	Group A	Group B
Total no.	45	57
Age range (yr)	29-79	18-75
Male patients	17	20
Female patients	28	37
Abnormal LFTa	40	38
Jaundice	18	19
Acute cholecystitis	19	12
Pancreatitis	11	6
Preoperative ERCP	4	5

a: Liver function test.

Table 2 Comparison of clinical outcome and cost between groups A and B

	Group A	Group B	χ2 (Z)	P value
Ductal stone clearance (%)	88	89	0.607	0.436b
Conversion to open surgery (%)	4.4	8.8	0.767	0.381b
Morbidity (%)	6.7	12.3	0.927	0.336b
Operative time(min)	180,130-220a	155,130-210a	(-0.439)	0.661c
Hospital stay(days)	7,6-9a	6,4.5-8a	(-2.046)	0.041c
Postoperative stay(days)	4,3-6a	3,2-5a	(-2.259)	0.024c
Cost (RMB)	11362,10196-14822a	15466,13555-17689a	(-4.822)	0.000c

a: Median, 25%-75% quartile range; b: Chi square test with a likelihood ratio; c: Mann-Whitney test.

Table 3 Morbidity of two groups

	Group B	Group A
Patient no(%)	7 (12.3)	3 (6.7)
Bleeding	1
Microperforation	1
Pancreatitis	3
Pneumonia	2
Infection with t-tube		2
Bile leak		1

Table 4 Comparison of cost with or without complication between two groups

	Without complication cost (RMB)	n	With complication cost (RMB)	n	P value
Group A	11210,10119-14380a	42	15121,11706-19895a	3	0.08b
Group B	14955,12650-16793a	50	23910,20746-111289a	7	0.03b
P value		0.000b		0.000b

a: Median, 25%-75% quartile range; b: Mann-Whitney test.