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 4

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

	Dependent variable/group	Effect
a	TAC; Control group	Open field effect	1	1.375	0.246
		Number of exposures (-)	2	0.568	0.570
			2	0.905	0.411
		Error	52
b	TAC; EMF/1mT	Open field effect	1	12.290	<0.001
		Number of exposures (-)	2	39.426	<0.001
			2	12.297	<0.001
		Error	52
c	TAC; EMF/7mT	Open field effect	1	2.301	0.135
		Number of exposures (-)	2	7.958	<0.001
			2	13.983	<0.001
		Error	53

F: GLM; statistically significantvalue: indicated in italic; TAC: total antioxidant capacity.