Table 3
Comparison between ERCP results of sedated group and unsedated group

Variable	Sedated group (%)	Unsedated group (%)	Difference (P value)
Success rate	38 (88.4)	27 (100)	0.07
ERCP time (min)*	20.6±9.3	21.0±11.7	0.88
ERCP results			0.87
CBD stone	38 (88.4)	22 (81.5)
Bile duct dilation†	2 (4.6)	4 (14.8)
Biliary malignancy	1 (2.3)	0
IPMN	2 (4.7)	1 (3.7)
Diverticulum	22 (51.2)	17 (63.0)	0.34
EST	32 (74.4)	25 (92.6)	0.06

ERCP, endoscopic retrograde cholangiopancreatography; CBD, common bile duct; IPMN, intraductal papillary mucinous neoplasm; EST, endoscopic sphincterotomy.
^*ERCP time expressed as mean±SD values. ^†Bile duct dilation without apparent cause.