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Results of the optimal cut-off values of AST and ALT
| Cut-off values | Sensitivity (%) | Specificity (%) | PPV (%) | NPV (%) |
|---|---|---|---|---|
| AST ≥ 109 | 81 | 82 | 32 | 98 |
| ALT ≥ 97 | 78 | 88 | 41 | 98 |
| AST ≥ 109 and/or ALT ≥ 97 | 84 | 81 | 32 | 98 |
LI+ with liver injury, LI− without liver injury, AST aspartate aminotransferase, ALT alanine aminotransferase, PPV positive predictive value, NPV negative predictive value
