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KMID : 0928320170170020064
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Korean Journal of Health Promotion and Disease Prevention
2017 Volume.17 No. 2 p.64 ~ p.70
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Association between Alcohol Drinking and the Ratio of Aspartate Aminotransferase to Alanine Aminotransferase in Korean Adult Male
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Cho Young-Hee
Kim Jong-Sung
Kim Sung-Soo
Jung Jin-Gyu
Yoon Seok-Joon
Kim Hyeun-Young
Bae Yoon-Kyung
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Abstract
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Background: The aspartate transaminase (AST)/alanine transferase (ALT) ratio increases with alcohol consumption. This study investigated AST/ALT ratio according to alcohol drinking and predictive power of AST/ALT ratio for heavy drinking in Korean men
Methods: In 2015, 830 men with no history of disease or medication affecting liver function values were selected. Using 14 g of alcohol as the standard glass, odd ratios (ORs) of AST/ALT ratio over 1 among the drinking group were compared with the non-drinking group by multiple logistic analyses. Screening of heavy drinkers was conducted according to both NIAAA and Korean guidelines. Using AST/ALT ratio >1, sensitivity, specificity, positive predictive values, negative predictive values, positive likelihood ratios, negative likelihood ratios and odds ratios were investigated.
Results: After correcting for age, body mass index, exercising, and smoking history, ORs (95% confidence interval) of AST/ALT >1 were 1.607 (1.048-2.464) in <8 glasses group, 2.172 (1.160-4.065) in the 14 glasses group, and 3.670 (2.218-6.053) in the >14 glasses group. When AST/ALT >1 in the drinking group, sensitivity, specificity, positive predictive values, negative predictive values, likelihood ratios (LR)+, LR- and OR according to NIAAA guidelines, were 57.2%, 52.7%, 23.2%, 76.8%, 1.21 (1.04-1.41), 0.81 (0.67-0.98), and 1.49 (1.05-2.01), respectively. By Korean guidelines, these values were 55.2%, 55.3%, 33.7%, 66.3%, 1.24 (1.03-1.36), 0.84 (0.72-0.98), and 1.40 (1.04-1.89), respectively.
Conclusions: Healthy male adults showed a positive correlation between risk of AST/ALT >1 and drinking amount compared to the non-drinking group. Use of the AST/ALT >1 in combination with other blood markers to predict excessive drinking is advisable.
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KEYWORD
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Alcohol drinking, Aspartate aminotransferase, Alanine transaminase, National Institute on Alcohol Abuse and Alcoholism (U.S.)
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