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

Table 3 Univariate analysis of pancreatitis predictors

Predictors	Odds ratio	95%CI	P value
Sex (female)	0.53	0.31-0.92	0.0245
Native papilla	5.62	2.73-11.6	< 0.0001
ENBD	0.77	0.43-1.38	0.4313
EBS1	2.62	1.18-5.85	0.0129
EMS	0.37	0.13-1.08	0.0784
EPS	0.47	0.22-1.00	0.0528
Precut	0.23	0.08-0.61	0.0102
EST	0.49	0.28-0.84	0.0099
EPBD	0.22	0.06-0.78	0.0405
EPLBD	-	-	0.3983
Pancreatic duct brush	6.42	1.75-23.5	0.0186
2-h amylase ≥ 2 times ULN	36.6	17.6-76.3	< 0.0001
Cannulation time ≥ 13 min	5.82	3.33-10.2	< 0.0001
Procedure time ≥ 54 min	4.70	2.70-8.18	< 0.0001

¹EBS: Including with and without EST. EBS: Endoscopic biliary stent; EMS: Endoscopic metallic stent; EPS: Endoscopic pancreatic stent; EST: Endoscopic sphincterotomy; EPBD: Endoscopic papillary balloon dilation; ULN: Upper limit of normal; EPLBD: Endoscopic papillary large balloon dilation; ENBD: Endoscopic nasobiliary drainage.