- Abbreviations: AH arterial hypertension, COPD chronic obstructive pulmonary disease, CKD chronic kidney disease, CVD cardiovascular
- Disease: DM diabetes mellitus, EWS Early Warning Score, ED emergency department, ICU intensive care unit, MEWS Modified Early Warning Score, NEWS2 National Early Warning Score, LOS length of stay, HDU high dependency unit, NIV non-invasive ventilation, EOTI early orotracheal intubation, LOTI late orotracheal intubation, H hospital
- *P/F ratio was evaluated for 478 patients (86.4%) of which were admitted to ICU after a HDU stay: Yes 202 (42.3%), No 276 (57.7%)
- **D-dimers were evaluated for 431 patients (77.9%) of which were admitted to ICU after a HDU stay: Yes 170 (39.4%), No 261 (60.6%)
- ***Comorbidities were calculated on 444 patients (80%) of which were admitted to ICU after a HDU stay: Yes 186 (41%), No 258 (59%)
- ****EWS were calculated on patients with available information on that variable
- *****Post-ICU LOS was measured on patients who survived in-ICU, 255 (46.1%) of which were admitted to ICU after a HDU stay: Yes 87 (38.3%), No 168 (51.6%)
