Table 1.
Characteristics of patients at inclusion
| Characteristics | Values |
|---|---|
| Demographics | |
| Number | 25 |
| Age, years | 65 (58–75) |
| Female, n (%) | 6 (24%) |
| Body mass index, kg·m−2 | 25 (22–28) |
| Previous conditions | |
| COPD, n (%) | 9 (38%) |
| Chronic cardiac disease, n (%) | 12 (50%) |
| Chronic kidney disease, n (%) | 5 (21%) |
| Current smoking, n (%) | 6 (25%) |
| ICU stay descriptors | |
| SAPS 2 score | 51 (39–62) |
| SOFA score | 5 (4–8) |
| Duration of intubation, days | 4 (3–7) |
| Main raison for intubation | |
| Hypoxemic acute respiratory failure, n (%) | 10 (40%) |
| Coma, n (%) | 10 (40%) |
| Hypercapnic acute respiratory failure, n (%) | 3 (12%) |
| Cardiac arrest, n (%) | 2 (8%) |
| Ventilator settings | |
| Pressure support, cmH2O | 10 (10–12) |
| PEEP, cmH2O | 5 (5–5) |
| FiO2, % | 30 (30–40) |
| Arterial blood gases | |
| pH | 7.4 (7.38–7.49) |
| PaO2/FiO2 | 273 (170–312) |
| PaCO2, mmHg | 49 (40–58) |
| Maximal inspiratory pressure, cmH2O | 24 (17–35) |
| Number of spontaneous breathing trial, n | 1 (1–2) |
Results are shown as number (%) or median (Q1–Q3). SAPS II, simplified acute physiology score; SOFA, Sequential organ failure assessment. PEEP, positive end-expiratory pressure