Table 3.
The AUC, sensitivity, specificity, accuracy, PPV, and NPV for the best cutoff values of each examination are shown.
| Elastography Method | AUC (CI) | Cutoff | Sensitivity (%) | Specificity (%) | Accuracy (%) | PPV (%) | NPV (%) | P-valuea |
| Max SWV | 0.918(0.858–0.978) | 3.41 | 37/42 (88.1) | 39/45 (86.7) | 76/87 (87.4) | 37/43 (86.1) | 39/44 (88.6) | 1.00 |
| Mean SWV | 0.895(0.826–0.964) | 2.98 | 36/42 (85.7) | 38/45 (84.4) | 74/87 (85.1) | 36/43 (83.7) | 38/44 (86.4) | 1.00 |
| Max SWV to fat SWV ratio | 0.866(0.789–0.942) | 1.91 | 36/42 (85.7) | 34/45 (75.6) | 70/87 (80.5) | 36/47 (76.6) | 34/40 (85.0) | 0.629 |
| Mean SWV to fat SWV ratio | 0.823(0.734–0.912) | 1.51 | 39/42 (92.9) | 29/45 (64.4) | 68/87 (78.2) | 39/55 (70.9) | 29/32 (90.6) | 0.013 |
| SR | 0.913(0.854–0.971) | 3.22 | 37/42 (88.1) | 38/45 (88.4) | 75/87 (86.2) | 37/44 (84.1) | 38/43 (88.4) | - |
a: P-values derived from comparison of the row value with the SR; AUC: Area under curve; CI: Confidence interval; SR: Strain ratio; SWV: Shear wave velocity; NPV: Negative predictive value; PPV: Positive predictive value.