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American Journal of Clinical Nutrition, Vol 58, 215-218, Copyright © 1993 by The American Society for Clinical Nutrition, Inc

ORIGINAL RESEARCH COMMUNICATIONS

The relationship between iron deficiency and anemia in Venezuelan children

PG Taylor, C Martinez-Torres, H Mendez-Castellano, V Bosch, I Leets, E Tropper and M Layrisse
Instituto Venezolano de Investigaciones Cientificas (IVIC), Caracas, Venezuela.

The iron status of 3228 subjects from the nutrition survey Proyecto Venezuela was studied. The sample included children from 1 to 16 y of age grouped by age and sex. Values for three indicators of iron status were compared: hemoglobin concentration, serum ferritin concentration, and percentage saturation of serum transferrin. In all groups there was a strong overlap in the hemoglobin concentration distribution curves for non-iron-deficient and iron-deficient subjects classified as such according to the other two indexes. The prevalence of iron deficiency ranged from 35% in 1-3 y olds to 10% in adolescent males, the values being almost identical in the nonanemic group compared with the total population. In the different groups, 80-97% of the subjects with abnormal values of at least one of these two indexes were not anemic. The difficulties involved in establishing a state of iron deficiency according to these indexes are discussed.




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Copyright © 1993 by The American Society for Nutrition