Table 2.
Prevalence of iron deficiency states and risk of haemoconcentration in pregnant women; Reus, Catalonia, Spain (n 285)
| Baseline characteristics | |
|---|---|
| Hb 10th week (g/l) | |
| Mean | 125·7 |
| sd | 8·2 |
| SF 10th week (μg/l)* | |
| Mean | 27·9 |
| sd | 2·3 |
| ID (%) | |
| 1st trimester | 16·2a |
| 2nd trimester | 52·3b |
| 3rd trimester | 66·1c |
| Delivery | 45·7d |
| Anaemia (%) | |
| 1st trimester (Hb < 110 g/l) | 3·2a |
| 2nd trimester (Hb < 105 g/l) | 12·9b |
| 3rd trimester (Hb < 110 g/l) | 27·5c |
| Delivery (Hb < 110 g/l) | 18·8d |
| IDA (%) | |
| 1st trimester | 1·0a |
| 2nd trimester | 9·6b |
| 3rd trimester | 21·5c |
| Delivery | 13·5d |
| Hb > 130 g/l (%) | |
| 2nd trimester | 1·9a |
| 3rd trimester | 4·2b |
| Delivery | 13·3c |
SF, serum ferritin; ID, iron depletion; IDA, iron-deficiency anaemia.
ID was defined as SF < 12 μg/l; IDA was defined as anaemia and ID simultaneously; risk of haemoconcentration was defined as Hb > 130 g/l.
Values are presented as means and standard deviations, or as percentages.
a,b,c,dProportions within a column with unlike superscript letters were significantly different (P < 0·05).
*Geometric mean (antilog sd).