In univariate analysis, significantly related risk factors include age, diabetes, chronic kidney disease, chronic liver disease, vaccination status, creatine kinase-MB, interleukin-6, procalcitonin, leukocytes, hematocrit, lymphocytes, eosinophil, hemoglobin, platelets, D-dimer, activated partial thromboplastin time, thrombin time, prothrombin time, and prothrombin time activity. Here, IL6 is linked to diabetes mellitus.