| SAR-CoV-2 | severe acute respiratory syndrome coronavirus-2 |
| COVID-19 | coronavirus disease 2019 |
| ARDS | acute respiratory distress syndrome |
| AKI | acute kidney injury |
| PP | prone position |
| TDC | tunneled dialysis catheter |
| CP | convalescent plasma |
| JCM | Journal of Clinical Medicine |
| PaO2 | arterial oxygen pressure |
| FiO2 | inspiratory oxygen fraction |