Table 2.
Comparison of nutritional iron status at baseline and during the follow-up by iron compound supplement
| Baseline | Post-supplementation | 6 months after supplementation | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Iron Status/Supplement compound |
Bis-glycinate chelate
n
= 101 |
Ferrous sulfate
n
= 99 |
P
value |
Bis-glycinate chelate
n
= 86 |
Ferrous sulfate
n
= 90 |
P
value |
Bis-glycinate chelate
n
= 45 |
Ferrous sulfate
n
= 44 |
P
value |
||||||
| Hemoglobin concentration (g/l)a |
141.6 |
140.2 |
|
141.7 |
140.1 |
|
141.7 |
139.8 |
|
||||||
| Standard deviation |
10.3 |
7.6 |
0.273b |
8.2 |
7.5 |
0.175b |
7.3 |
6.9 |
0.205b |
||||||
| Ferritin concentration (μg/l)a |
8.7 |
8.9 |
|
29.6 |
28.9 |
|
31.0 |
25.2 |
|
||||||
| Standard deviation |
2.1 |
2.1 |
0.548b |
15.1 |
13.1 |
0.728b |
18.7 |
12.5 |
0.090b |
||||||
| Iron nutritional statusc |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Low iron stores |
101 |
100 |
99 |
100 |
|
9 |
10.5 |
6 |
6.7 |
|
5 |
11.1 |
4 |
9.1 |
|
| Normal | 0 | 0.0 | 0 | 0.0 | -- | 77 | 89.5 | 84 | 93.3 | 0.367d | 40 | 88.9 | 40 | 90.9 | 0.752d |
aMean and standard deviation.
bStudent’s t test.
cLow iron stores = Serum ferritin <12 μg/l.
dPearson’s Χ2 test.