Table 4.
Diagnostic performance of 2D-SWE (ElastQ) in patients aged ≥65 years.
| Fibrosis Stage | Cut–off Value (KPa) | AUROC (95% CI) | Sensitivity % (95% CI) | Specificity % (95% CI) | PPV % (95% CI) | NPV % (95% CI) | LR+ | LR− |
|---|---|---|---|---|---|---|---|---|
| F = 4 | 13.00 | 0.900 (0.781–1.000) | 71.4 (39–96.3) | 93.3 (77.9–99.2) | 73.6 (48–99.8) | 94.3 (84.4–99.9) | 10.7 | 0.116 |
| F ≥ 3 | 11.29 | 0.847 (0.722–0.973) | 64.3 (35.2–87.2) | 91.3 (72–98.9) | 81.8 (61.6–100) | 80.8 (64.7–96.9) | 7.39 | 0.183 |
| F ≥ 2 | 10.47 | 0.862 (0.744–0.979) | 70.6 (44.1–89.7) | 95 (75.1–99.9) | 92.3 (77.8–100) | 79.2 (63–95.4) | 14.2 | 0.071 |