Baseline characteristics
| . | Iron group . | Placebo group . | P . |
|---|---|---|---|
| Age, y | 31 ± 8 | 32 ± 7 | ns |
| Height, cm | 166 ± 6 | 166 ± 6 | ns |
| Body weight, kg | 60 ± 8 | 59 ± 7 | ns |
| Blood pressure systolic, mmHg | 117 ± 13 | 117 ± 13 | ns |
| Blood pressure diastolic, mmHg | 73 ± 8 | 72 ± 10 | ns |
| Heart rate, 1/min | 72 ± 10 | 71 ± 9 | ns |
| Hemoglobin, g/L | 133 ± 6 | 133 ± 7 | ns |
| Mean red blood cell volume, fl | 90 ± 5 | 90 ± 5 | ns |
| Serum ferritin concentration, ng/mL | 24 (10, 32) | 20 (14, 28) | ns |
| Transferrin saturation, % | 20 (14, 30) | 25 (16, 32) | ns |
| Creatinine, μmol/L | 77 (72, 82) | 78 (72, 84) | ns |
| Alanine aminotransferase, U/L | 17 (13, 21) | 17 (15, 23) | ns |
| Aspartate aminotransferase, U/L | 20 (17, 26) | 21 (18, 24) | ns |
| Thyroid-stimulating hormone, mU/L | 1.5 (1.0, 2.0) | 1.4 (0.8, 2.0) | ns |
| C-reactive protein, mg/L | 1.1 (1.1, 1.1) | 1.1 (1.1, 1.1) | ns |
| . | Iron group . | Placebo group . | P . |
|---|---|---|---|
| Age, y | 31 ± 8 | 32 ± 7 | ns |
| Height, cm | 166 ± 6 | 166 ± 6 | ns |
| Body weight, kg | 60 ± 8 | 59 ± 7 | ns |
| Blood pressure systolic, mmHg | 117 ± 13 | 117 ± 13 | ns |
| Blood pressure diastolic, mmHg | 73 ± 8 | 72 ± 10 | ns |
| Heart rate, 1/min | 72 ± 10 | 71 ± 9 | ns |
| Hemoglobin, g/L | 133 ± 6 | 133 ± 7 | ns |
| Mean red blood cell volume, fl | 90 ± 5 | 90 ± 5 | ns |
| Serum ferritin concentration, ng/mL | 24 (10, 32) | 20 (14, 28) | ns |
| Transferrin saturation, % | 20 (14, 30) | 25 (16, 32) | ns |
| Creatinine, μmol/L | 77 (72, 82) | 78 (72, 84) | ns |
| Alanine aminotransferase, U/L | 17 (13, 21) | 17 (15, 23) | ns |
| Aspartate aminotransferase, U/L | 20 (17, 26) | 21 (18, 24) | ns |
| Thyroid-stimulating hormone, mU/L | 1.5 (1.0, 2.0) | 1.4 (0.8, 2.0) | ns |
| C-reactive protein, mg/L | 1.1 (1.1, 1.1) | 1.1 (1.1, 1.1) | ns |
Results are presented as means ± 1 SD or as median values (quartiles Q1, Q3).
P values were calculated by t test or the Mann-Whitney U test.
ns indicates not significant and no trend (P > .10).