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Table 3 Results in group of difficult diagnosis sites (29 sites) (95% confidence interval)

From: Diagnosis of vascular invasion in pancreatic ductal adenocarcinoma using endoscopic ultrasound elastography

 dynamic CTEUS B-modeEUS-EG
Sensitivity0.556 (0.303–0.772)0.667 (0.400–0.863)0.889 (0.635–0.979)
Specificity0.750 (0.636–0.847)0.700 (0.580–0.788)0.850 (0.736–0.890)
PPV0.500 (0.273–0.694)0.500 (0.300–0.647)0.727 (0.520–0.801)
NPV0.789 (0.670–0.892)0.824 (0.682–0.927)0.944 (0.818–0.989)
Accuracy0.690 (0.533–0.824)0.690 (0.524–0.811)0.862 (0.705–0.918)
  1. CT computed tomography, EUS endoscopic ultrasonography, EUS-EG endoscopic ultrasonography elastography, PPV positive predictive value, NPV negative predictive value