Table 2

Endosonography and helical computed tomographic (HCT)-cholangiography in the detection of bile duct stones confirmed by endoscopic cholangiography

EndosonographyHCT-cholangiographyp Value
Sensitivity (%)91 (31/34)85 (29/34)NS
Specificity (%)100 (16/16)88 (14/16)NS
Overall accuracy (%)94 (47/50)86 (43/50)NS