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Table 2 Results of the optimal cut-off values of AST and ALT

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

98

AST ≥ 109 and/or ALT ≥ 97

84

81

32

98

  1. LI+ with liver injury, LI− without liver injury, AST aspartate aminotransferase, ALT alanine aminotransferase, PPV positive predictive value, NPV negative predictive value