Abbreviations
COVID-19: Coronavirus disease; CAD: coronary artery disease; SARS-CoV-2: severe acute respiratory syndrome coronavirus 2; hs-TNI: high-sensitivity troponin I; α-HBDH: α-hydroxybutyrate dehydrogenase; CK-MB: creatine kinase-MB; LDH: lactate dehydrogenase; BNP: brain natriuretic peptide; CT: computed tomography; ICU: intensive care unit; scRNA-seq: single-cell RNA sequencing; GEO: Gene Expression Omnibus; ROC: receiver operating characteristic; CRP: C-reactive protein; IL-6: interleukin-6; PCT: procalcitonin; NEUT%: percentages of neutrophils; LYM%: percentages of lymphocytes; MONO%: percentages of monocytes.