Table 2. Ventilator Parameters and Results of Blood Gas Analysis.
| Parameters and gas analysis (n=217) | Median (range) |
|---|---|
| I:E | 1:1 |
| Frequency (Hz) | 10.5 (9.0–12.0) |
| Amplitude (cm H2O) | 23.6 (15.0–30.0) |
| MAP (cm H2O) | 11.7 (7.0–15.0) |
| FiO2 | 0.46 (0.30–0.80) |
| Tidal volume (mL/kg) | 1.7 (1.2–2.3) |
| Minute volume (mL/kg) | 0.7 (0.2–1.2) |
| DCO2 (mL2/sec) | 43.5 (20.5–88.3) |
| pH | 7.31 (7.08–7.51) |
| pCO2 (mm Hg) | 52.6 (32.8–88.6) |
| SpO2 (%) | 90.5 (82.0–100.0) |
HFOV, high-frequency oscillatory ventilation; I:E, inspiratory-to-expiratory time ratio; MAP, mean arterial pressure; FiO2, fraction of inspired oxygen; DCO2, carbon dioxide diffusion coefficient; pCO2, plasma CO2; SpO2, peripheral capillary oxygen saturation.