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Table 2 Proportion of agreement between the reference (predefined papilla) and the survey responses for each type of papilla

From: Influence of a novel classification of the papilla of Vater on the outcome of needle-knife fistulotomy for biliary cannulation

Classification proposed

Survey responses by the 20 endoscopists

Type I (%)

Type IIA (%)

Type IIB (%)

Type IIC (%)

Type IIIA (%)

Type IIIB (%)

Type IV (%)

Type I

86

2.5

1.5

0

0

0

12

Type IIA

4

59

31

4

0

0

2

Type IIB

0

24

66

10

0

0

0

Type IIC

0

0

9

90

0

0

1

Type IIIA

3.5

0

0

0

75

15

6.5

Type IIIB

0.5

8

2

0

2

87

0.5

Type IV

47

0

2

0

9

2

40