| AGPPE | aerosol generation personal protective equipment |
| ARDS | severe acute respiratory syndrome |
| BAL | bronchoalveolar lavage |
| BMI | body mass index |
| COPD | chronic obstructive pulmonary disease |
| COVID-19 | coronavirus infectious disease 2019 |
| eGFR | glomerular filtration rate |
| ICU | intensive care unit |
| MDR | multidrug resistant |
| OTI | orotracheal intubation |
| SAPS-II | simplified acute physiology score II |
| SARS-CoV-2 | severe acute respiratory syndrome-coronavirus 2 |
| VAP | ventilator-associated pneumonia |