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Diagnostic accuracy of endoscopic ultrasound (EUS) and intraductal ultrasound (IDUS) for bile duct strictures
Diagnostic accuracy of endoscopic ultrasound (EUS) and intraductal ultrasound (IDUS) for bile duct strictures
EUS (percent)
IDUS (percent)
p value
Sensitivity
76
91
<0.002
Specificity
75
80
NS
Positive predictive value
93
95
NS
Negative predictive value
40
67
NS
Accuracy
76
89
<0.002
Data from: Menzel J, Poremba C, Dietl KH, Domschke W. Scand J Gastroenterol 2000; 35:77.
Graphic 56303 Version 3.0
