Intraductal ultrasound (IDUS) versus endoscopic retrograde cholangiopancreatography (ERCP) for evaluation of bile duct strictures
Intraductal ultrasound (IDUS) versus endoscopic retrograde cholangiopancreatography (ERCP) for evaluation of bile duct strictures
ERCP (percent)
IDUS (percent)
p value
Sensitivity
54
85
0.10
Specificity
87
87
0.76
Accuracy
67
86
0.13
Data from: Vazquez-Sequeiros E, Baron TH, Clain JE, et al. Evaluation of indeterminate bile duct strictures by intraductal US. Gastrointest Endosc 2002; 56:372.
