Table 3.

Cut off point, accuracy, sensitivity, specificity, positive likelihood ratio, and negative likelihood ratio for liver enzymes

Liver enzymes	Cut off	Aucracy	Sensetivity	Specificity	LR+	LR-
GGT	21.8	0.78	0.50	0.61	1.28	0.81
ALT	21.3	0.53	0.51	0.52	1.02	0.98
AST	20.0	0.66	0.52	0.53	1.02	0.98
ALP	194	0.68	0.50	0.55	1.12	0.91

GGT: gamma-glutamyl transferase; ALT: alanine aminotransferase; AST: aspartate aminotransferase; ALP: alkaline phosphatase