Combination of two-hour post-endoscopic retrograde cholangiopancreatography amylase levels and cannulation times is useful for predicting post-endoscopic retrograde cholangiopancreatography pancreatitis

Table 4 Age-adjusted multivariate analysis of pancreatitis predictors

Predictors	Odds ratio	95%CI	P value
Sex (female)	1.46	0.77-2.75	0.2431
Native papilla	1.78	0.75-4.48	0.1908
Endoscopic biliary stent	0.61	0.23-1.45	0.2810
Precut	1.71	0.43-6.00	0.4288
EST	1.18	0.60-2.35	0.6278
EPBD	1.94	0.34-8.91	0.4296
Pancreatic duct brush	3.15	0.54-15.5	0.1870
2 h amylase ≥ 2 times ULN	25.4	12.2-59.9	< 0.0001
Cannulation time ≥ 13 min	2.63	1.34-5.23	0.0051
Procedure time ≥ 54 min	1.23	0.389-3.67	0.7183

EST: Endoscopic sphincterotomy; EPBD: Endoscopic papillary balloon dilation; ULN: Upper limit of normal.