Table 4 Comparison of HFOV/VG settings and PaCO₂ levels in 22 infants over 48 h

Measured amplitude

17 [15,24]

19 [14,21]

18 [12,24]

0.97

Fraction of Inspired Oxygen (FiO₂)

40 [30,55]

45 [35,65]

50 [41,89]

< 0.01

Frequency (Hz)

10 [8,11]

10 [10,13]

10 [9,11]

< 0.01

Mean Airway Pressure (MAP)

12 [10,15]

11 [10,15]

13 [10,14]

0.24

Measured VThf (ml/kg)

2.3 [2,2.6]

2.2 [2,2.6]

2.4 [2,3]

0.53

Raw DCO₂ (ml² /s)

56 [27,128]

40 [24,161]

41 [29,75]

0.89

Weight corrected DCO₂ (mL/kg²/s)

47 [39,66]

59 [48,70]

55 [42,80]

0.04