Table 2: Indications for ERCP in guidewire and conventional therapy groups.

CharacteristicsGuidewire group ( )Conventional group ( )

Choledocholithiasis425 (77.8)136 (67.3)
Cholangiocarcinoma31 (5.7)13 (6.4)
Pancreatic head cancer33 (6.0)21 (10.4)
Suspected sphincter of Oddi dysfunction138 (25.3)57 (28.2)
Primary sclerosing cholangitis12 (2.2)15 (7.4)
Others43 (7.9)15 (7.4)

Data are presented as number (percentage).