Cows’ milk | Unfortified formula | Iron fortified formula | |
---|---|---|---|
Norwich cohort | |||
Initial haemoglobin (g/l) | 99 (14) (n = 30) | 96 (11) (n = 27) | 99 (13) (n = 26) |
Haemoglobin at 18 months (g/l) | 119 (14)^{**}
(n = 35) | 120 (11)^{*}
(n = 32) | 126 (11) (n = 40) |
All centres (at 18 months) | |||
Geometric mean plasma ferritin (μg/l) (log SD) | 14.3 (0.28)^{***}
(n = 95) | 13.1 (0.24)^{***}
(n = 76) | 21.7 (0.22) (n = 90) |
Transferrin receptor (mg/l) | 2.49 (0.76) (n = 90) | 2.45 (0.83) (n = 88) | 2.30 (0.63) (n = 76) |
Values are mean (SD) unless otherwise stated.
Significantly lower than group fed iron fortified formula: ^{*}p < 0.05,^{**}p < 0.01, ^{***}p < 0.0001.