| AKI | Acute kidney injury |
| ARDS | Acute respiratory distress syndrome |
| CKD | Chronic kidney disease |
| CKD-EPI | Chronic Kidney Disease Epidemiology Collaboration |
| COVID-19 | Coronavirus disease 2019 |
| CRP | C-reactive protein |
| CT | Computer tomography |
| ED | Emergency department |
| eGFR | Estimated glomerular filtration rate |
| ICU | Intensive care unit |
| IL-1 | Interleukin-1 |
| IL-6 | Interleukin 6 |
| KDIGO | Kidney Disease: Improving Global Outcomes |
| KIM-1 | Kidney injury molecule–1 |
| MOF | Multi-organ failure |
| NGAL | Neutrophil gelatinase-associated lipocalin |
| NO | Nitric oxide |
| ROS | Reactive oxygen species |
| RRT | Renal replacement therapy |
| SAA | Serum amyloid A |
| sCysC | Serum creatinine and serum cystatin C |
| SD | Standard deviation |
| TIMP-2 | Tissue inhibitors of metalloproteinases 2 |
| TNF-α | Tumor necrosis factor α |