Serum iron parameters
| . | Sea level . | HA (4559 m) . |
|---|---|---|
| sTfR, nmol/L−1 | 12.9 ± 2.4 | 26.4 ± 9.3* |
| Ferritin, μg/L−1 | 98.4 ± 75.2 | 57.3 ± 70.3* |
| Transferrin, g/L−1 | 2.3 ± 0.3 | 2.9 ± 0.5* |
| Iron saturation of transferrin, % | 17 ± 13 | 6 ± 8† |
| Ceruloplasmin, g/L−1 | 0.179 ± 0.031 | 0.278 ± 0.052* |
| . | Sea level . | HA (4559 m) . |
|---|---|---|
| sTfR, nmol/L−1 | 12.9 ± 2.4 | 26.4 ± 9.3* |
| Ferritin, μg/L−1 | 98.4 ± 75.2 | 57.3 ± 70.3* |
| Transferrin, g/L−1 | 2.3 ± 0.3 | 2.9 ± 0.5* |
| Iron saturation of transferrin, % | 17 ± 13 | 6 ± 8† |
| Ceruloplasmin, g/L−1 | 0.179 ± 0.031 | 0.278 ± 0.052* |
The values are mean ± SD for 9 participants. sTfR indicates soluble transferrin receptor. Venous samples were obtained under normoxic conditions at SL and during exposure to HA (4559 m) for 7 to 9 days. The calculation of statistical differences from normoxia was performed using the Wilcoxon test.
P < .01.
P = .06.