Abstract
We evaluated the diagnostic usefulness of carbohydrate-deficient transferrin (CDT) for detecting alcohol-related problems (ARP) in hospitalized patients, assessed potential differences according to gender and age, and compared this value to the other screening measures conventionally used, namely the CAGE questionnaire and standard biological markers MCV (mean corpuscular volume) and GGT (gamma-glutamyltransferase). CDT sensitivity for detecting ARP was 70%, specificity 75% and area under the receiver operating characteristic curve 0.76%. Its sensitivity was shown to be lower both in the female group (65 vs 71%) as well as in the younger-age group whereas its specificity was lower in the liver-damaged group (55%). CDT diagnostic value did not exceed that of CAGE (sensitivity 78% and specificity 99%), MCV (sensitivity and specificity 74%) or GGT (sensitivity 82% and specificity 53%) but was better than those of other biochemical measures. We conclude that CDT is an effective biological marker for the detection of ARP among hospitalized patients, but that its diagnostic usefulness does not exceed that of some other alternative measures commonly used.
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