From: Cyclical iron supplementation to reduce anemia among Brazilian preschoolers: a randomized controlled trial
Group
Anemia (%)
Hemoglobin (g/dL)
Initial
Final
Change
p-value
The Weekly Group (n = 51)
17.65
3.92
11.75 ± 0.76
12.02 ± 0.72
0.27 ± 0.77
= 0.016
The Cyclical Group (n = 48)
22.90
6.25
11.66 ± 0.91
12.13 ± 0.89
0.47 ± 0.72
< 0.0005