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.