From: Effect of dietary selenium intake on gut microbiota in older population in Enshi region
Environment type | Region | Cases | Blood selenium concentration (µg/mL) | Nail selenium concentration (µg/g) |
---|---|---|---|---|
High-selenium area | 1 | 13 | 0.129 ± 0.900 | 0.837 ± 0.573 |
2 | 20 | |||
3 | 17 | |||
Low-selenium area | 1 | 24 | 0.057 ± 0.165 | 0.362 ± 0.199 |
2 | 26 |