Cut-off (m/s) | AUROC | Sensitivity (%) | Specificity (%) | +LR | -LR | PPV (%) | NPV (%) | |
---|---|---|---|---|---|---|---|---|
F1 | 1.14 | 0.759 | 71,85 | 87,50 | 5,75 | 0,32 | 99,5 | 8,4 |
F2 | 1.22 | 0.683 | 67,94 | 63,77 | 1,88 | 0,50 | 85,0 | 39,6 |
F3 | 1.71 | 0.729 | 51,14 | 86,32 | 3,74 | 0,57 | 63,4 | 79,2 |
F4 | 1.77 | 0.855 | 80,77 | 82,54 | 4,63 | 0,23 | 32,3 | 97,7 |
For the calculated optimal cut-off, VTIQ had very good positive predictive value for the presence of any fibrosis (F1-F4), even if a high overlap rate was observed in pts with F0, F1 and F2. VTIQ also had a good negative predictive value for cirrhosis (table).