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  • Title: [Comparison of diagnostic validity of carbohydrate-deficient transferrin and other laboratory markers in chronic ethanol abuse].
    Author: Moravcová E, Bednarík J, Dastych M, Novotná H, Pokora J.
    Journal: Cas Lek Cesk; 2004; 143(1):39-43. PubMed ID: 15061118.
    Abstract:
    BACKGROUND: Carbohydrate-deficient transferrin (CDT) has been reported to be the best laboratory marker of the chronic alcohol abuse, but there are conflicting data on its accuracy and sensitivity ranging from 19% to 96% in various studies. The aim of this study was to compare the diagnostic efficiency of CDT with the other markers of alcohol abuse used in clinical practice with respect to possible sex differences. METHODS AND RESULTS: The serum CDT (using the method of anion-exchange chromatography and TIA), mean corpuscular volume (MCV), gamma-glutamyl-transferase (GMT) values and platelet count were evaluated in 50 alcohol-dependent patients admitted to the Center of Detoxification and in the reference group of 85 healthy teetotallers. The cut-off values for %CDT where established in the level of 2.2% and 2.5% for men and women respectively. In men we proved a comparatively high diagnostic efficiency of CDT (AUC 0.94, sensitivity 82.6%, specificity 96.7%) and GMT, MCV seem to be less accurate marker of chronic alcohol abuse. In contrast there was a lower diagnostic validity of CDT in women in comparison with common markers (AUC 0.83, sensitivity 60%, specificity 88%). CONCLUSIONS: The laboratory diagnosis of chronic alcohol consumption can be improved by using a combination of several markers. The specificity and also the cumulative sensitivity of such a battery of laboratory markers can be elevated by CDT evaluation. In a part of patients, CDT can be the only detectable abnormality.
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