Variable | Ferrous sulfate (n = 145) | Iron polymaltose complex (n = 145) | t | df | p-value |
Baseline ferritin (μg/l) | 9.4 ± 1.2 | 9.5 ± 1.2 | −0.644 | 288 | 0.520 |
Ferritin at 4 weeks (μg/l) | 9.8 ± 1.2 | 9.9 ± 1.2 | −0.956 | 288 | 0.340 |
Ferritin at 8 weeks (μg/l) | 10.5 ± 1.5 | 10.6 ± 1.3 | −0.529 | 288 | 0.597 |