Table 2.
Patients characteristics at study entry
| All patients (n = 30) | Responders (n = 15) | Non-responders (n = 15) | p * | |
|---|---|---|---|---|
| Age (years) | 55 (37–66) | 66 (42–73) | 42 (37–57) | 0.045 |
| Male | 21 (70) | 10 (67) | 11 (73) | 0.500 |
| BMI (kg/m2) | 22.8 (22.0–24.2) | 22.0 (21.2–23.6) | 23.6 (22.0–24.2) | 0.039 |
| GCS | 5.5 (4.0–6.3) | 5.0 (4.0–7.0) | 6.0 (5.0–6.0) | 0.513 |
| SAPS II | 49.5 (46.3–54.6) | 49.7 (44.0–57.0) | 49.0 (47.0–54.0) | 0.400 |
| MV duration (days)a | 1.0 (1.0–2.0) | 1.0 (1.0–2.0) | 2.0 (1.0–2.0) | 0.345 |
| ARDS diagnosis | 6 (20) | 4 (27) | 2 (13) | 0.361 |
| PaO2 | 105.5 (78.0–153.5) | 95.0 (76.7–130.0) | 129.0 (78.4–168.0) | 0.242 |
| PaO2/FiO2 | 264 (180–384) | 274 (156–325) | 323 (196–420) | 0.144 |
| PaCO2 (mmHg) | 35.3 (32.6–36.7) | 35.4 (32.7–38.1) | 35.1 (30.9–36.1) | 0.307 |
Data are presented as median (interquartile range) for continuous variables and counts (percentages) for categorical variables
ARDS acute respiratory distress syndrome, BMI body mass index, GCS Glasgow Coma Scale, MV mechanical ventilation, SAPS II Simplified Acute Physiology Score II
*p value in comparison between the responder and non-responder group
aMV duration before enrolment