Table 3.

Changes in the PaO₂/FiO₂ ratio and in pulmonary function

	Time	HPC	Control
PaO2/FiO2	OLV 30 min	2.01 ± 0.53*	1.83 ± 0.64
	7d after surgery	1.95 ± 0.38*	1.74 ± 0.32
FVC	Baseline	2.84 ± 0.66	2.72 ± 0.97
	7d after surgery	2.77 ± 0.93*	2.54 ± 0.86
FEV1	Baseline	2.32 ± 0.50	2.28 ± 0.80
	7d after surgery	2.27 ± 0.38*	2.06 ± 0.57

Values are expressed as the means ± standard deviation. ^*P < 0.05 compared with control group

Abbreviations: FVC forced vital capacity, FEV₁ forced expiratory volume in 1 s, HPC hypoxic preconditioning; OLV, one-lung ventilation