Efficacy and safety of limited endoscopic sphincterotomy before self-expandable metal stent insertion for malignant biliary obstruction

Table 3 Rates of complications on biliary stenting with limited endoscopic sphincterotomy according to location of cholangiocarcinoma n (%)

	Hilarn = 75	Distaln = 43	P value
Post-ERCP complication type			0.717
Pancreatitis	3 (4.0)	1 (2.3)
Mild/moderate	2 (2.7)/1 (1.3)	1 (2.3)/0 (0)
Bleeding, mild	1 (1.3)	0 (0.0)
Perforation	0 (0.0)	0 (0.0)
Post-ERCP hyperamylasemia	7 (9.3)	5 (11.6)
Stent complication			0.756
None	57 (76.0)	33 (76.7)	1.000
Stent occlusion	17 (22.7)	10 (23.3)
Stent migration	1 (1.3)	0 (0.0)

ERCP: Endoscopic retrograde cholangio pancreatography.