Table 1

Patient characteristics and baseline ventilator settings

Age, years
FiO2
PaO2, mm Hg
PaCO2, mm Hg
VT, liters
Fr, breaths per minute
V'I, liters per second
TI/TTOT
VE, liters per minute

67.8 ± 6.0
0.39 ± 0.06
72.8 ± 7.1
59.4 ± 3.8
0.52 ± 0.04
14.6 ± 1.6
0.72 ± 0.04
0.24 ± 0.02
7.5 ± 0.9

Data are presented as mean ± standard deviation. FiO2, fractional concentration of inspired oxygen; Fr, respiratory frequency; PaCO2, partial pressure of arterial carbon dioxide; PaO2, partial pressure of arterial oxygen; TI/TTOT, duty cycle; VE, minute ventilation; V'I, constant inspiratory flow; VT, tidal volume.

Malliotakis et al. Critical Care 2008 12:R140   doi:10.1186/cc7117