Table 1: Demographics and clinical presentation of the patients referred for ERCP.

Group A
Group B

Mean age (yrs)69.549.7<0.05
Range of age (yrs)54–8918–75na
M/F ratio 36/45182/237na
Indications
Gallstone pancreatitis30/81 (37%)138/419 (32.9%)0.51 (ns)
CBD stones53/81 (65.4%)257/419 (61.3%)0.48 (ns)
Cholangitis31/81 (38.3%)96/419 (22.9%)<0.05
Neoplasms (CBD and pancreas)8/81 (9.9%)82/419 (19.5%)<0.05
Pancreas divisum 1/419 (0.2%)0.85 (ns)

ns: not significative; na: not applicable; CBD: common bile duct.