Randomized controlled trial of pancreatic stenting to prevent pancreatitis after endoscopic retrograde cholangiopancreatography

Table 6 Analysis of risk factors for post-endoscopic retrograde cholangiopancreatography pancreatitis n (%)

	Non-stent	Pancreatitis	Stent	Pancreatitis	Univariate P value
No. of patients	60	8	60	1
Age (< 60 yr)	17 (28)	3 (18)	18 (30)	0 (0)	0.72
Female	25 (42)	3 (12)	27 (45)	0 (0)	0.78
Previous post-ERCP pancreatitis	5 (8)	1 (20)	5 (8)	0 (0)	0.68
Sphincter of Oddi dysfunction	0 (0)	0 (0)	0 (0)	0 (0)	-
A difficult cannulation	10 (17)	2 (20)	10 (17)	0 (0)	0.68
Pre-cut	0 (0)	0 (0)	0 (0)	0 (0)	-
Pancreatic sphincterotomy	5 (8)	1 (20)	4 (7)	0 (0)	0.68
Pancreatic duct biopsy	5 (8)	1 (20)	6 (10)	1 (17)	0.87
IDUS for pancreatic duct	27 (45)	3 (11)	25 (42)	1 (4)	0.74
Procedure time greater than 30 min	29 (48)	4 (14)	33 (55)	0 (0)	0.72

ERCP: Endoscopic retrograde cholangiopancreatography; IDUS: Intraductal ultrasonography.