Table 1.
Patient characteristics at baseline
| Age (years) | 70 [12] |
| M/F ratio | 25/5 |
| SAPS II | 55 [14] |
| Source of sepsis | |
| Lung (n (%)) | 22 (73%) |
| Abdomen (n (%)) | 6 (20%) |
| Catheter (n (%)) | 2 (7%) |
| Lactate (mmol/L) | 2.6 [3.8] |
| PaO2/FiO2 (mmHg) | 142 [132–198] |
| Tidal volume (mL/kg predicted body weight) | 4.8 [0.9] |
| Respiratory rate (breaths/min) | 30 [16] |
| PEEP (cmH2O) | 11 [4] |
| Plateau pressure (cmH2O) | 26 [4] |
| Compliance of the respiratory system (mL/cmH2O) | 36 [10] |
N = 30. Data are expressed as numbers (%) or mean [standard deviation] or median [interquartile range]
FiO2, inspired fraction of oxygen; M/F, males/females; PaO2, arterial oxygen partial pressure; PEEP, positive end-expiratory pressure; SAPS: Simplified Acute Physiologic Score