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Table 8 Accuracy of PC/SD ratio and portal hemodynamic indices in prediction of esophageal varices

From: Role of portal color Doppler ultrasonography as noninvasive predictive tool for esophageal varices in cirrhotic patients

Index Cutoff Sensitivity (%) Specificity (%) PPV (%) NPV (%) Accuracy (%) AUC
PC/SD ratio
Inversely proportional
604 61.19 90.91 93.18 53.57 71.00 0.883
Portal vein flow velocity (cm/s)
Inversely proportional
15.2 89.55 93.94 96.77 81.58 91.00 0.953
Portal vein diameter (mm)
Directly proportional
10.4 94.03 75.76 88.73 86.21 88 0.877
Portal congestion index
Directly proportional
0.1 89.35 92.84 95.66 82.5 93 0.948
Hepatic artery resistive index
Directly proportional
0.71 76.12 91.23 92.11 67.35 84.00 0.881
Hepatic artery pulsatility index
Directly proportional
1.3 94.01 66.67 85.14 84.62 85.00 0.858
Splenic artery resistive index
Directly proportional
0.72 77.61 92.56 93.98 68.75 85 0.888
Portal hypertensive index
Directly proportional
1.48 92.43 93.94 97.10 96.45 95.00 0.992
Liver vascular index
Inversely proportional
9.4 74.63 96.97 98.04 65.31 82.00 0.973