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  • Title: Drinking habits and risk of altered liver enzymes in the general population of a rural area in Southern Italy.
    Author: Loguercio C, Federico A, Bianchi C, D'Auria M, Tallarico A, Bianco M, Fiorito R, Del Vecchio Blanco C, Stroffolini T.
    Journal: Dig Liver Dis; 2007 Aug; 39(8):748-52. PubMed ID: 17604238.
    Abstract:
    PURPOSE: To assess the overall drinking habits (amount and duration of alcohol intake, as well as type of alcoholic drinks consumed) and their potential for alteration of liver enzymes in a random sample of the general population aged > or =18 years of a rural area in Southern Italy. MATERIALS AND METHODS: Of the 4000 subjects selected, 3306 (82.7%) agreed to take part in the study. Of these, 41% were teetotallers (54.4% females, 26.1% males; p<0.01). A very small proportion of subjects reported > or =4 drinks/day (11.9% males, 0.8% females; p<0.01). RESULTS: Increased aspartate aminotransferase and/or alanine aminotransferase values were observed in 148 (4.5%) subjects. Hepatitis C virus positivity alone, excessive body mass index alone and alcohol intake alone were observed in 28.6, 23.8 and 18.4% of cases, respectively. After exclusion of subjects with chronic viral hepatitis infections (hepatitis B virus and/or hepatitis C virus) and adjustment for the confounding effect of age (>50 years) and body mass index (> or =25) by multiple logistic regression analysis, subjects who reported consuming >4 drinks/day were 2.4-fold (95%CI=1.1-5.2) more likely than teetotallers to have altered liver enzyme values; subjects reporting intake below this threshold were not at risk of alterations in aspartate aminotransferase/alanine aminotransferase (OR 1.4; 95%CI=0.7-2.6). CONCLUSIONS: These findings indicate that only a small proportion of the rural population studied (particularly females) can be considered as alcohol misusers. Moreover, a mild alcohol intake (< or =4 drinks/day) is not associated with alterations in aspartate aminotransferase/alanine aminotransferase levels in the absence of other factors such as hepatitis viruses and impaired body mass index.
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