Table 1
From: Improvement of cardiac output with BiLevel ventilation in patients with high airway pressures
|  | Cardiac output (l/min) | Stroke volume (ml/beat) | Peak airway pressure (cmH2O) | PaO2/FiO2 | PO2 A–a gradient |
|---|---|---|---|---|---|
SIMV | 6.8 ± 2.6 | 63 ± 26 | 40.2 ± 3.8 | 160 ± 81 | 351 ± 166 |
BiLevel | 7.3 ± 2.8 | 67 ± 28 | 32.9 ± 4.1 | 176 ± 93 | 336 ± 157 |
P value | 0.01 | 0.05 | 0.01 | NS | NS |