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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