Table 8.

Time Resolved Analysis of WBSL in Se Supplemented Patients Without Tumors.

Control Measurement After	Initial WBSL in Patients with Se Supplementation	WBSL Reached With Se Supplementation	P (Student’s t Test for Paired Samples)
1 year	87.4 µg/L (SD: 17.3) (n = 241)	113.5 µg/L (SD: 20.2) (n = 241)	<.001
2 years	84.2 µg/L (SD: 17.5) (n = 92)	117.9 µg/L (SD: 18.3) (n = 92)	<.001
3 years	84.5 µg/L (SD: 18.2) (n = 39)	119.5 µg/L (SD: 18.8) (n = 39)	<.001
5 years	84.5 µg/L (SD: 17.5) (n = 24)	119.5 µg/L (SD: 18.8) (n = 24)	<.001

Abbreviations: WBSL, whole blood selenium level; Se, selenium.