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Diagn Pathol. 2012 Dec 3;7:168. doi: 10.1186/1746-1596-7-168.

Red blood cell distribution width and iron deficiency anemia among pregnant Sudanese women.

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1
Khartoum Teaching Hospital, Khartoum, Sudan

Abstract

BACKGROUND:

Iron deficiency anemia (IDA) is a major health problem during pregnancy and it has adverse effects on the mother and the newborn. Red cell distribution width (RDW), which is a quantitative measure for red cell size variation (anisocytosis), is a predictor of IDA. Little is known regarding RDW and IDA during pregnancy.

METHODS:

A cross sectional study was conducted at the antenatal clinic of Khartoum Hospital, Sudan, to determine the performance of RDW in the diagnosis of IDA using serum ferritin as a gold standard.

RESULTS:

Among 194 pregnant women with a gestational period of 21.4 ± 6.5 weeks, 57 (29.4%) had IDA according to serum ferritin levels (<15 μg/l) and 61 (31.4%) had IDA according to RDW (>14.5). The sensitivity, specificity, positive predictive value, and negative predictive value of RDW where serum ferritin was the gold standard were 43.8% (95% CI: 31.4-57.0%), 73.7% (95% CI: 65.8-80.5%), 41.0% (95% CI: 29.2-53.6%), and 76.0% (95% CI: 68.1-82.6%), respectively.

CONCLUSIONS:

In this study, we found that RDW has a poor performance in diagnosing IDA among pregnant women compared with serum ferritin as the gold standard.

PMID:
23206545
PMCID:
PMC3538607
DOI:
10.1186/1746-1596-7-168
[Indexed for MEDLINE]
Free PMC Article
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