From: Defining the optimal cut-off values for liver enzymes in diagnosing blunt liver injury
Cut-off values
Sensitivity (%)
Specificity (%)
PPV (%)
NPV (%)
AST ≥ 109
81
82
32
98
ALT ≥ 97
78
88
41
AST ≥ 109 and/or ALT ≥ 97
84