Table 2.

Whole blood Se levels in μg/l (means + 95% CI) depending on Se supplementation

	with selenium	with selenium	p-value
	(Mean+95% of CI)	(Mean+95% of CI)
Before RT	65.3(60.7-70.0)	62.2(59.4-68.2)	=0.49
50% of RT	93.2(83.8-102.7)	67.3(61.6-72.5)	<0.001
end of RT	90.9(81.3-95.1)	61.4(56.4-66.9)	<0.001