Fully covered metal biliary stents confer a higher risk of post-endoscopic retrograde cholangiopancreatography pancreatitis

Table 3 Predictors of post-endoscopic retrograde cholangiopancreatography pancreatitis in all patients

Variable	Odds ratio	95% confidence interval	P value
Age < 50 years	0.43	0.07-1.54	0.263
Female sex	0.89	0.43-1.86	0.757
Intact papilla	1.81	0.86-3.84	0.120
Precut sphincterotomy	2.73	0.57-9.87	0.155
Biliary sphincterotomy	1.30	0.41-4.19	0.661
Sphincteroplasty1	4.20	1.38-11.44	0.007
Rectal indomethacin	1.34	0.55-3.07	0.500
Pancreatic duct stent	1.40	0.38-4.05	0.566
FCSEMS placement1	5.49	2.10-16.99	0.001
UCSEMS placement	3.19	0.63-13.00	0.12
Plastic stent placement	1.45	0.45-3.99	0.49

¹Significant predictor of post-endoscopic retrograde cholangiopancreatography pancreatitis on multivariate analysis.

FCSEMS: Fully covered self-expanding metal stents; UCSEMS: Uncovered self-expanding metal stents.