Prediction model for the occurrence of acute pancreatitis after endoscopic retrograde cholangiopancreatography based on multidimensional indicators

Table 2 Intraoperative conditions comparison between the two groups, n (%)

Intraoperative situations	PEP group (n = 24)	Non-PEP group (n = 159)	|t|/χ2	P value
Choledochal dilatation (yes/no)	4 (16.67)/20 (83.33)	19 (11.95)/140 (88.05)	0.422	0.516
Duodenal papillary sphincter dissection (yes/no)	19 (79.17)/5 (20.83)	116 (72.96)/43 (27.04)	0.416	0.519
Pancreatic ductography (yes/no)	7 (29.17)/17 (70.83)	19 (11.95)/138 (86.79)	4.928	0.026
Deeper penetration of the guidewire into the pancreatic duct (yes/no)	11 (45.83)/13 (54.17)	64 (40.25)/95 (59.75)	0.269	0.604
Bleeding (yes/no)	12 (50.00)/12 (50.00)	23 (14.47)/136 (85.53)	17.023	< 0.01
Intubation number			3.288	0.070
< 3	17	136
≥ 3	7	23
Intubation time, minutes			5.002	0.025
< 10	9	61
≥ 10	15	98

PEP: Post-endoscopic retrograde cholangiopancreatography pancreatitis.