Table 2.

The ratio of PaO₂ to FiO₂.

	Baseline	0.5 h	2.5 h	5 h
Sham control	303 ± 22	303 ± 18	305 ± 21	300 ± 17
LIRI	300 ± 24	228 ± 20*,†	238 ± 18*,†	263 ± 19*,†

FiO₂: inspiratory oxygen fraction; LIRI: lung ischemia–reperfusion injury; PaO₂: partial pressure of oxygen.

The ventilating parameters were set with an inspiratory oxygen fraction (FiO₂) of 40%. A smaller ratio was observed 0.5–5 h after LIRI as compared with baseline and with different time points in sham control group.

*P < 0.05 versus baseline; ^†P < 0.05 versus sham control.