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 3

Results of statistical analysis of the TAC level in the prefrontal cortex.

	Dependent variable	Effect
a	TAC basal level	Intensity of the electromagnetic field (mT)	2	5.088	0.008
		Number of exposures (-)	2	2.209	0.117
		(mT) × (-)	4	3.163	0.018
		Error	79
b	Open field-induced TAC level	Intensity of the electromagnetic field (mT)	2	11.803	<0.001
		Number of exposures (E1-E3)	2	27.075	<0.001
		(mT) x (E1-E3)	4	11.086	<0.001
		Error	78

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