Gamma‐Glutamyl Transpeptidase and High‐Density Lipoproteins Cholesterol in Male Problem Drinkers: Advantages of a Composite Index for Predicting Alcohol Consumption

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Abstract
Forty male problem drinkers, participants of a treatment follow-up study, were assessed for levels of .gamma.-glutamyl transpeptidase (GGTP) and high-density lipoproteins cholesterol (HDL-C) in relationship to self-reported alcohol consumption over the previous 3 wk period. A composite index of GGTP and HDL-C was superior to GGTP or HDL-C alone in discriminating abstinent/light, moderate and heavy drinkers.