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Table 2 The association of a peri-ampullary diverticulum with recurrent primary CBDS

From: Recurrent common bile duct stones as a late complication of endoscopic sphincterotomy

 

ERCP + ES

Recurrent Primary CBDS

RR

Diverticulum

16%

32%

RR 2.2 (p = 0.002)

Type A

12%

25%

RR 2.3 (p = 0.007)

Type B

4%

7%

RR 1.9 (p = 0.27)