Table 3.

Analysis of receiver operating characteristic curve

Variable	Area	Std. Error	Asymptotic Sig	Asymptotic 95%CI	Cutoff value, U/L	Sensitivity	Specificity
GGT	0.881	0.026	0	0.830-0.932	95.5	0.908	0.836
ALP	0.647	0.033	0	0.583-0.711	151.5	0.651	0.598
GGT + ALP	0.923	0.016	0	0.892-0.953	-	0.935	0.851

GGT: Gamma-glutamyltransferase; ALP: Alkaline phosphatase.