Table 2.
Blood tests results of participants on week 36 of gestation according to supplementation dose.
| Stratum 1 | Stratum 2 | |||||
|---|---|---|---|---|---|---|
| 80 g/d | 40 g/d | p | 40 g/d | 20 g/d | p | |
| 12th week | ||||||
| Hemoglobin (g/L) | 123.26 (5.32) | 123.44 (4.77) | 0.689 | 135.68 (4.59) | 136.61 (4.44) | 0.098 |
| Serum ferritin (µg/L) | 38.95 (26.10) | 38.20 (25.05) | 0.740 | 38.50 (28.98) | 40.75 (30.00) | 0.965 |
| Mean corpuscular volume (fL) | 87.08 (6.36) | 87.30 (6.63) | 0.696 | 88.53 (3.43) | 88.54 (3.74) | 0.980 |
| C–reactive protein (mg/L) | 0.73 (0.62) | 0.74 (0.72) | 0.815 | 0.72 (0.54) | 0.70 (0.53) | 0.779 |
| Iron deficiency (%) | 14.2 (38) | 14.2 (37) | 0.999 | 14.4 (19) | 12.3 (16) | 0.620 |
| 36th week | ||||||
| Hemoglobin (g/L) | 117.63 (7.55) | 117.21 (8.35) | 0.622 | 123.07 (10.19) | 121.04 (8.85) | 0.157 |
| Serum ferritin (µg/L) | 17.19 (11.53) | 14.70 (9.38) | 0.042 | 11.10 (8.10) | 11.00 (6.80) | 0.798 |
| Mean corpuscular volume (fL) | 89.31 (6.87) | 88.19 (12.06) | 0.261 | 90.23 (4.19) | 89.61 (4.11) | 0.299 |
| C–reactive protein (mg/L) | 0.76 (0.74) | 0.71 (0.64) | 0.470 | 0.70 (0.69) | 0.75 (0.56) | 0.593 |
| Iron deficiency (%) | 38.2 (71) | 51 (98) | 0.012 | 66 (68) | 69.7 (62) | 0.590 |
| Iron deficiency anemia (%) | 8.5 (15) | 9.6 (17) | 0.711 | 7.3 (7) | 11.9 (10) | 0.291 |
| Anemia (%) | 11.9 (21) | 13 (23) | 0.747 | 8.3 (8) | 11.9 (10) | 0.426 |
| Hemoconcentration (%) | 6.8 (12) | 7.9 (14) | 0.684 | 24 (23) | 13.1 (11) | 0.063 |
Continuous variables expressed as means (SD), except for serum ferritin, which is expressed as median (interquartile range). Categorical variables expressed in percentages (n).