Performance characteristic of FIB-4, FIB-5 and APRI
| Parameters (cut-off) | FIB-4 (%) (1.45) | FIB-5 (%) (0) | FIB-5 (%) (7.505) | APRI (%) (0.45) |
| Sensitivity | 51.94 | 55.60 | 88.24 | 85.20 |
| Specificity | 89.16 | 81.93 | 21.69 | 87.70 |
| PPV | 50 | 37.50 | 18.75 | 58.33 |
| NPV | 90.24 | 89.47 | 90 | 96.05 |
| AUROC | 0.78 | 0.75 | 0.75 | 0.95 |
APRI, aspartate transaminase to platelet ratio index; AUROC, area under the receiver operating characteristic curve; FIB, fibrosis index; NPV, negative predictive value; PPV, positive predictive value.