Table 1.

Patient characteristics and indications n (%)

Dermographics
Patient number	2332
Age (year, mean)	68.4
Gender (male/female)	1236/1096
Indications
Choledocholithiasis	1732 (74.3)
Malignant stricture	545 (23.4)
Bile leak after cholecystectomy	42 (1.8)
Primary sclerosing cholangitis	11 (0.5)