Bidirectional Effect of Repeated Exposure to Extremely Low-Frequency Electromagnetic Field (50 Hz) of 1 and 7 mT on Oxidative/Antioxidative Status in Rat’s Brain: The Prediction for the Vulnerability to Diseases

Table 2

Results of statistical analysis of effects of open field stress on oxidative stress markers level in relation to its basal level in each experimental group.

	Dependent variable/group	Effect
a	CP; Control group	Open field effect	1	1.964	0.168
		Number of exposures (-)	2	2.253	0.118
			2	32.078	<0.001
		Error	42
b	CP; EMF/1mT	Open field effect	1	52.023	<0.001
		Number of exposures (-)	2	3.077	0.055
			2	66.370	<0.001
		Error	49
c	CP; EMF/7mT	Open field effect	1	47.966	<0.001
		Number of exposures (-)	2	1.876	0.164
			2	12.193	<0.001
		Error	48
d	8-epi PGF2α; Control group	Open field effect	1	2.995	0.091
		Number of exposures (-)	2	33.444	<0.001
			2	1.422	0.252
		Error	44
e	8-epi PGF2α; EMF/1mT	Open field effect	1	14.228	<0.001
		Number of exposures (-)	2	15.181	<0.001
			2	6.000	0.005
		Error	47
f	8-epi PGF2α; EMF/7mT	Open field effect	1	2.005	0.163
		Number of exposures (-)	2	2.649	0.081
			2	0.064	0.938
		Error	48

F: GLM; statistically significantvalue: indicated in italic; CP: protein carbonyl groups.