Table 3.

Measures of oxidative stress in rats exposed to tobacco smoke and controls

Variables	Control	ETS	P
GSHc nmol/g of protein	20.7 ± 7.6	40.7 ± 12.7	0.037
GSSGc nmol/g of protein	0.3 ± 0.1	0.9 ± 0.3	0.008
LHc nmol/mg of tissue	0.4 ± 0.2	0.1 ± 0.1	0.08
GSHh nmol/g of protein	17.7 ± 7.3	33.7 ± 8.9	0.033
GSSGh nmol/g of protein	0.3 ± 0.1	0.8 ± 0.2	0.009
LHh nmol/mg of tissue	0.2 (0.2–0.4)	0.2 (0.1–0.3)	0.20

ETS- exposed to tobacco smoke, c: cardiac, h: hepatic, GSH: reduced glutathione, GSSG: oxidized glutathione, LH: lipid hydroperoxide. Data are expressed as mean ± SD or medians with the lower quartile and upper quartile.