Table 2 Selenium concentration in the colorectal cancer group and the healthy control group
From: Can selenium levels act as a marker of colorectal cancer risk?
Groups | Selenium concentration μg/l | No. of colorectal cancer cases | No. of controls |
|---|---|---|---|
I | <46 | 53 | 12 |
II | 46-58 | 47 | 27 |
III | 59-71 | 44 | 52 |
IV | >72 | 25 | 78 |