Table 2 Ventilatory and blood gas parameters in preterm infants ventilated with HFOV and volume guarantee

Set Amplitude

27 [24–30]

Measured Amplitude

16 [14–20]

Set VThf (ml/kg)

2.2 [2-2.6]

Measured VThf (ml/kg)

2.2 [2-2.6]

Raw DCO₂ (ml² /s)

38 [27–69]

Weight corrected DCO₂ (mL/kg²/s)

55.5 [41-69.7]

Set Frequency (Hz)

10 [ 9–12]

Set Mean Airway Pressure (MAP)

12 [10–14]

Set Fraction of Inspired Oxygen (FIO₂)

40 [32–55]

pH

7.26 [7.2–7.3]

PCO₂

50 [42–59]

PaO₂

62 [44–83]

HCO₃

22 [19.6–24.4]

Oxygenation Index (OI)

9.7 [6.5–13.2]