GPT and COVID-19: Comparison of laboratory results showed that COVID-19 patients who did not survive had significantly higher mean values of glycosylated hemoglobin (HgA1C), D-dimer, low-density lipoprotein cholesterol (LDL), ferritin, lactate dehydrogenase (LDH), alanine aminotransferase (ALT) and creatinine (P< 0.05).