Table 3.

Patients Undergoing Transcystic Choledochoscopy. Rates of Attempted and Successful WBM Using 3 mm Versus 5 mm Scopes

Choledochoscope	3 mm scope (n = 381)	5 mm scope (n = 105)	P-value	OR (95% CI)
CBD only - intrahepatic NOT indicated	160 (42.0%)	41 (39.0%)	0.587	1.130 (0.727, 1.758)
Intrahepatic attempted	221 (58.0%)	64 (61.0%)	0.587	0.885 (0.569, 1.376)
Intrahepatic successful WBM	155 (70.1%)	52 (81.3%)	0.079	0.542 (0.272, 1.081)

Data in parentheses are 95% confidence intervals.

CBD indicates common bile duct.