Variables | Total N = 272 | Survivor N = 227 | Non-survivor N = 45 | p |
---|---|---|---|---|
Age | 36.2 ± 13.4 | 34.7 ± 12.5 | 43.4 ± 15.8 | 0.001 |
Male, N (%) | 108 (39.7) | 93 (40.9) | 15 (33.3) | 0.356 |
Weight, kg | 88.0 ± 29.1 | 87.5 ± 28.9 | 90.9 ± 30.4 | 0.501 |
Pre-ECMO blood gasesa | ||||
pH | 7.1 ± 0.2 | 7.1 ± 0.2 | 7.2 ± 0.2 | 0.045 |
PCO2, mmHg | 80.5 ± 50.6 | 81.1 ± 51.6 | 77.2 ± 45.5 | 0.638 |
PO2, mm Hg | 109.6 ± 113.9 | 113.0 ± 115.5 | 91.3 ± 104.2 | 0.289 |
HCO3 -, mmol/L | 29.0 ± 9.4 | 29.2 ± 9.4 | 27.8 ± 9.6 | 0.402 |
SaO2, % | 91.2 ± 10.1 | 92.3 ± 7.4 | 85.2 ± 17.3 | 0.030 |
Pre-ECMO ventilator setting | ||||
Rate, breaths/min | 19.0 ± 7.7 | 18.6 ± 7.4 | 21.4 ± 9.4 | 0.129 |
FiO2, % | 81.2 ± 23.0 | 80.2 ± 23.2 | 87.2 ± 21.1 | 0.105 |
PIP, cmH2O | 38.2 ± 11.1 | 38.1 ± 11.4 | 38.7 ± 9.1 | 0.798 |
PEEP, cmH2O | 8.3 ± 5.9 | 7.8 ± 5.9 | 11.5 ± 5.1 | 0.002 |
MAP, cmH2O | 21.4 ± 14.2 | 21.4 ± 15.1 | 21.3 ± 7.8 | 0.980 |
Driving pressure, cmH2O | 29.5 ± 12.9 | 29.9 ± 13.4 | 27.4 ± 9.5 | 0.363 |