GPT and COVID-19: • High counts of leukocytes, high levels of ALT, AST, LDH, and PCT are important laboratory markers that are associated with ICU admission, mortality and ARDS;• Use of corticosteroids is significantly associated with higher proportion of patients with ARDS;• Use of lopinavir and ritonavir is not distinctly related to lowering mortality due to COVID-19;• Further prospective studies are necessary to validate the findings.