Table 4.
Correlations among plasma selenium measurements by risk area in males from Nariño, Colombia (2006)
| Plasma measurements | Gastric cancer risk area | |||
|---|---|---|---|---|
| Low-risk n = 45 | High-risk n = 44 | |||
| Coefficient | p value | Coefficient | p value | |
| Selenium vs. Sepp1 | 0.09 | 0.5466 | 0.52 | 0.0003 |
| Selenium vs. GPx activity | 0.12 | 0.4316 | 0.37 | 0.0133 |
| Selenium vs. other selenium pool | 0.71 | <0.001 | 0.58 | <0.001 |
| GPx activity vs. Sepp1 | 0.01 | 0.9656 | 0.01 | 0.9590 |
| GPx activity vs. other selenium pool | −0.03 | 0.8412 | 0.22 | 0.1460 |
| Sepp1 vs other selenium pool | −0.63 | <0.001 | −0.38 | 0.0114 |
Sepp1: selenoprotein-P; GPx: extracellular glutathione peroxidase