Supplementary Table 2.
Diagnostic Performances of Acoustic Radiation Force Impulse Velocity
Fibrosis stage | AUROC (95% CI) | Cutoff values | Sensitivity, % | Specificity, % | NPV, % | PPV, % | −LR | +LR |
---|---|---|---|---|---|---|---|---|
≥F2 | 0.814 (0.729 –0.900) | 1.31 | 89.7 | 63.0 | 22.2 | 94.9 | 0.16 | 2.42 |
≥F3 | 0.848 (0.773 –0.923) | 1.81 | 78.4 | 78.8 | 53.7 | 90.2 | 0.27 | 3.7 |
F4 | 0.752 (0.656 –0.849) | 1.98 | 66.7 | 73.3 | 73.3 | 66.7 | 0.45 | 2.5 |
AUROC, area under the receiver operating characteristic curve; CI, confidence interval; NPV, negative predictive value; PPV, positive predictive value; LR, likelihood ratio.