Number of patients, n | 20 |
Age, years, mean±sd | 60±15 |
Female sex, n (%) | 4 (20) |
Body mass index, mean±sd | 27±3 |
Medical history, n (%) Hypertension Diabetes Ischemic cardiomyopathy Stroke Chronic lung disease Solid organ cancer, hematologic malignancy Chronic renal failure | 7 (35) 8 (40) 3 (15) 1 (5) 1 (5) 3 (15) 0 (0) |
Simplified acute physiology score 2, mean±sd | 31±12 |
Sepsis organ failure assessment score, mean±sd | 3±2 |
Delay between onset of symptoms to ICU admission, days, mean±sd | 7±4 |
Respiratory function at ICU admission Transcutaneous peripheral saturation, %, mean±sd Respiratory rate, cycles per minute, mean±sd Borg scale ranking, mean±sd Arterial pH, mean±sd PaCO2, mmHg, mean±sd PaO2:FiO2, mmHg, mean±sd Arterial oxygen saturation, %, mean±sd Arterial lactate, mmol l−1, mean±sd | 93±4 29±8 3±2 7.49±0.03 33±4 146±39 96±2 1.5±0.6 |
CT-scan characteristics at ICU admission, n (%) Diffuse and bilateral pattern Ground-glass opacities < 25% 25-50% >75% Consolidation Crazy paving | 20 (100) 4 (20) 9 (45) 7 (35) 5 (25) 7 (35) |
Respiratory support at ICU admission O2 non-rebreathing mask, n (%) O2, liters.min−1, mean±sd High flow nasal cannula, n (%) O2, flow liters.min−1, mean±sd O2 inspired fraction, %, mean±sd | 4 (20) 12±2 16 (80) 47±7 59±17 |
Outcomes Intubation during ICU stay, n (%) Duration of mechanical ventilation, days, mean±sd ICU mortality, n (%) Hospital mortality, n (%) | 3 (15) 15±6 1 (5) 1 (5) |
sd, standard deviation; ICU, intensive care unit.