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    "creator" : [ "Samarkos, Michael", "Gyftopoulos, Argyrios", "Sipsas, Nikolaos V.", "Basoulis, Dimitrios", "Cholongitas, Evagelos", "Giannakodimos, Alexios", "Karamanakos, Georgios", "Georgakopoulou, Vasiliki E.", "Iliadi, Eirini", "Mimidis, Konstantinos", "Gerogiannis, Dimitrios", "Bali, Triada", "Georgilaki, Vasiliki" ],
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      "@value" : "Background Abnormalities in aminotransferases are frequently observed in hospitalized COVID-19 patients, but their clinical impact is poorly characterized.\nMethods A total of 1046 patients hospitalized to the non-intensive care unit ward with documented COVID-19 were included retrospectively. Demographic, clinical and laboratory characteristics on admission and during hospital stay, including the presence of liver injury (LI), defined as aspartate aminotransferase (AST) >200 IU/L, were recorded.\nResults On admission, 363 (34.7%) and 269 (25.7%) patients had abnormal AST and ALT values (i.e., >40 IU/L), respectively, while during hospitalization 53 (5%) patients fulfilled the criteria for LI. In multivariate logistic regression analysis, AST (odds ratio [OR] 1.023, 95% confidence interval [CI] 1.016-1.029; P<0.001), and ferritin (OR 1.01, 95%CI 1.001-1.02; P<0.001) were the baseline factors independently associated with the development of LI during hospital stay. One hundred twenty-three (11.7%) patients died during hospitalization. The independent variables associated with mortality were: age (hazard ratio [HR] 1.043, 95%CI 1.029-1.056;&nbsp; <0.001),ferritin (HR 1.1, 95%CI 1.05-1.2; P<0.001), platelets (HR 0.996, 95%CI 0.994-0.999; P=0.003), and administration of remdesivir (HR 0.50, 95%CI 0.30-0.85; P=0.009). The patients with abnormal baseline AST (i.e., >40 IU/L), compared to those with normal AST values, had worse outcomes (log rank test: 8.8, P=0.003).\nConclusions Elevated aminotransferases are commonly seen in COVID-19 patients. They possibly reflect disease severity and may be associated with in-hospital mortality.\nKeywords COVID-19, liver injury, liver function tests, disease severity, mortality\nAnn Gastroenterol 2022; 35 (3): 290-296"
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      "@value" : "Annals of Gastroenterology; Volume 35, No 3 (2022); 290"
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      "@value" : "Prevalence of abnormal liver biochemistry and its impact on COVID-19 patients’ outcomes: a single-center Greek study"
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