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BACKGROUND AND AIMS: The evolution and clinical significance of abnormal liver chemistries and the impact of hepatitis B infection on outcome in patients with COVID-19 is not well characterized. This study aimed to explore these issues. METHODS: This large retrospective cohort study included 2073 patients with COVID-19 having definite outcomes in Wuhan, China. Longitudinal liver function tests were conducted and determined their associated factors and death risk by multivariate regression analyses. A prognostic nomogram was formulated to predict the survival of patients with COVID-19. The characteristics of liver abnormalities and outcomes of patients with COVID-19 with and without hepatitis B were compared after 1:3 propensity score matching. RESULTS: Of the 2073 patients, 1282 (61.8%) had abnormal liver chemistries during hospitalization, and 297 (14.3%) had a liver injury. The mean levels of AST and D-Bil increased early after symptom onset in deceased patients and showed disparity compared with that in discharged patients throughout the clinical course of the disease. Abnormal admission AST (adjusted hazard ratio [HR]: 1.39, 95%CI: 1.04-1.86, P=0.027) and D-Bil (adjusted HR: 1.66, 95%CI: 1.22-2.26, P=0.001) levels were independent risk factors for mortality due to COVID-19. A nomogram was established based on the results of multivariate analysis and showed sufficient discriminatory power and good consistency between the prediction and the observation. HBV infection in patients did not increase the risk of COVID-19-associated poor outcomes. CONCLUSIONS: Abnormal AST and D-Bil levels at admission were independent predictors of COVID-19 mortality. Therefore, monitoring liver chemistries, especially AST and D-Bil levels, in hospitalized patients with COVID-19, is necessary.
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10.1016/j.jhep.2020.12.012
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document_parses/pdf_json/f30f7cf18543397436af7cc30d785c92b8a366b6.json
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document_parses/pmc_json/PMC7749734.xml.json
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Association of liver abnormalities with in-hospital mortality in patients with COVID-19
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