| ALT | Alanine aminotransferase |
| ARDS | Acute Respiratory distress syndrome |
| AST | Aspartate aminotransferase |
| AUC | Area under the receiver operating characteristic curve |
| BASO | Basophil count |
| BASO% | Basophil percentage |
| CRE | Creatinine |
| CRP | C-reactive protein |
| DD | D-dimers |
| eGFR | Estimated glomerular filtration rate |
| EO | Eosinophil count |
| EO% | Eosinophil percentage |
| FDR | False discovery rate |
| FER | Ferritin |
| HC | Healthy control |
| LDH | Lactate dehydrogenase |
| LYMPH | Lymphocyte count |
| LYMPH% | Lymphocyte percentage |
| MONO | Monocyte count |
| MONO% | Monocyte percentage |
| NEUT | Neutrophil count |
| NEUT% | Neutrophil percentage |
| PASC | Post-acute sequelae of COVID-19 |
| PCT | Procalcitonin |
| PLT | Platelet count |
| ROC | Receiver operating characteristic curve |
| SARS-CoV-2 | Severe acute respiratory syndrome coronavirus 2 |
| WBC | Whole blood cell count |
| WHO | World Health Organization |