Table 2.
Hematological and iron metabolism parameters.
| Parameter | BASAL PB (n = 15) |
BASAL VD (n = 15) |
PB (n = 15) |
VD (n = 15) |
|---|---|---|---|---|
| RBC (106/µL) | 4.9 ± 0.1 | 4.9 ± 0.1 | 4.9 ± 0.1 | 4.8 ± 0.1 |
| Hematocrit (%) | 44.6 ± 0.5 | 45.0 ± 0.6 | 44.8 ± 0.7 | 45.7 ± 0.7 |
| Hemoglobin (g/dL) | 14.6 ± 0.2 | 14.4 ± 0.3 | 14.5 ± 0.3 | 14.2 ± 0.2 |
| Ferritin (ng/mL) | 87.0 ± 16.7 | 80.9 ± 26.0 | 87.8 ± 19.7 | 80.1 ± 24.6 |
| Fe (µg/dL) | 95.9 ± 8.3 | 93.3 ± 7.1 | 105.0 ± 15.6 | 92.1 ± 6.1 |
| WBC (103/µL) | 6.1 ± 0.3 | 5.9 ± 0.4 | 5.8 ± 0.4 | 4.8 ± 0.2 |
| Neutrophils (%) | 43.9 ± 3.3 | 45.1 ± 3.2 | 45.7 ± 3.4 | 47.3 ± 3.1 |
| Lymphocytes (103/µL) | 2.7 ± 0.1 | 2.2 ± 0.2 | 2.4 ± 0.1 * | 1.9 ± 0.1 * |
| Lymphocytes (%) | 43.0 ± 3.1 | 42.7 ± 3.3 | 41.5 ± 3.1 * | 39.2 ± 2.8 * |
| Monocytes (%) | 7.1 ± 0.5 | 8.3 ± 0.4 | 7.0 ± 0.3 | 7.9 ± 0.6 |
| Eosinophils (%) | 2.5 ± 0.3 | 2.3 ± 0.3 | 2.4 ± 0.3 | 2.2 ± 0.2 |
| Basophils (%) | 0.9 ± 0.1 | 0.8 ± 0.2 | 0.8 ± 0.1 | 0.7 ± 0.1 |
* Indicates significant differences comparing the intervention groups (PB and VD) with respect to the corresponding basal values (Wilcoxon’s paired test). Abbreviations used: Fe, serum iron; PB, placebo group; RBC, red blood cells; VD, vitamin D-supplemented group; WBC, white blood cells.