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Table 2 Success and failure of ERCP procedures

From: Enlarged fistulotomy of the papilla as access to the biliary tract during ERCP

Procedure

Success

Failure

Cases

n (%)

CI 95%

n (%)

CI 95%

CTPO

1705 (76.35%)

74.59–78.12

528 (23.65%)

21.88–25.41

1672

EFP1

465 (88.07%)

85.3–90.83

63 (11.93%)

9.17–14.7

528

EFP2

30 (90.91%)

81.1–100

3 (9.09%)

0–18.9

33

Final cannulation

2200 (98.52%)

98.02–99.02

33 (1.48%)

0.98–1.98

2233

  1. CTPO cannulation through the papillary ostium; EFP1 enlarged fistulotomy of the papilla first attempt; EFP2 enlarged fistulotomy of the papilla second attempt; CI confidence interval