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Table 3 Comparison of adverse events of patients after ERCP

From: Impact of duodenal papilla anatomy on needle knife papillotomy safety and efficacy in patients with difficult biliary canulation

 

Type of Papillary, n (%)

Type 1 (n = 115)

Type 2 (n = 29)

Type 3 (n = 52)

Type 4 (n = 21)

P value

Adverse events, n (%)

8

3

4

3

0.69

PEP

6

3

3

2

0.71

Bleeding

1

0

1

0

0.79

Perforation

0

0

0

0

-

Cholangitis

1

0

1

1

0.48

  1. PEP: post-ERCP pancreatitis; Type 1, regular papilla; Type 2, small papilla; Type 3, protruding or pendulous papilla; Type 4, creased or ridged papilla