| ICU | intensive care unit |
| AKI | acute kidney injury |
| KDIGO | Kidney Disease Improving Global Outcomes |
| COVID | corona virus infectious disease |
| SARS-CoV-2 | severe acute respiratory syndrome corona virus 2 |
| RRT | renal replacement therapy |
| IL-6 | interleukin-6 |
| OR | odds ratio |
| IQR | interquartile range |
| SHR | sub hazard ratio |
| aptt | activated partial thromboplastin time |
| INR | international normalized ratio |
| SOFA | Sequential Organ Failure assessment |
| SAPS | Simplified Acute Physiology Score |