Prevalence of Iron Deficiency Varies With Different Definitions
By Elana Gotkine HealthDay Reporter
MONDAY, June 10, 2024 -- The prevalence of iron deficiency varies significantly with three different definitions, according to a study published online June 7 in JAMA Network Open.
James C. Barton, M.D., from the University of Alabama at Birmingham, and colleagues compared the prevalence of iron deficiency among women using three different definitions based on data from the cross-sectional Hemochromatosis and Iron Overload Screening Study (HEIRS; 2000 to 2006). Multiethnic, primary care-based screening of volunteer women aged 25 years and older was performed at five field centers.
The researchers found that 3.12 percent of the 62,685 women had iron deficiency according to the HEIRS definition, 7.43 percent had iron deficiency according to the World Health Organization definition, and 15.33 percent had iron deficiency according to the threshold for iron-deficient erythropoiesis (IDE). Of the 40,381 women aged 25 to 54 years, 4.46, 10.57, and 21.23 percent had iron deficiency according to HEIRS, WHO, and IDE, respectively. Among the 2,039 women aged 25 to 44 years who reported pregnancy, the prevalence rates of iron deficiency were 5.44, 18.05, and 36.10 percent according to HEIRS, WHO, and IDE, respectively. In each racial and ethnic group, the prevalence of iron deficiency by the three respective definitions increased significantly, with significantly higher prevalence among Black and Hispanic versus Asian and White participants.
"For clinicians, no single serum ferritin definition of iron deficiency corresponds perfectly to the continuum of laboratory and clinical abnormalities that occurs when storage iron is reduced or absent," the authors write.
Disclaimer: Statistical data in medical articles provide general trends and do not pertain to individuals. Individual factors can vary greatly. Always seek personalized medical advice for individual healthcare decisions.
© 2025 HealthDay. All rights reserved.
Posted June 2024
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