Table 3.
Levels of biochemical compounds involved in iron metabolism according to disease status (means ± standard deviations).
| Mean ± SD | ALS (n = 104) | Controls (n = 145) | P value |
P for men ALS n = 54 controls n = 77 |
P for women ALS n = 50 controls n = 68 |
|---|---|---|---|---|---|
| Serum iron (μmol/L) | 16.7 ± 5.0 | 14.7 ± 4.9 | 0.002 ∗ | 0.033 ∗ | 0.013 ∗ |
| Serum transferrin (g/L) | 2.27 ± 0.4 | 2.32 ± 0.4 | 0.407 | 0.573 | 0.546 |
| TIBC (μmol/L) | 56.6 ± 9.4 | 58.2 ± 10.0 | 0.370 | 0.485 | 0.543 |
| TSC (%) | 29.0 ± 9.8 | 25.9 ± 10.3 | 0.017 ∗ | 0.151 | 0.041 ∗ |
| Serum ferritin (μg/L) | 202.2 ± 142.0 | 129.6 ± 83.2 | <0.0001 ∗ | 0.0001 ∗ | 0.041 ∗ |
Differences were considered significant at P < 0.05*.