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Diagnostic Serum Ferritin Thresholds and Prevalence of Iron Deficiency Anemia

JAMA Internal Medicine 10.1001/jamainternmed.2025.2311

August 25, 2025 at 11:00 AM EDT

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This cross-sectional study examines the implications of the 2020 American Gastroenterological Association iron deficiency guidelines for the prevalence and management of iron deficiency anemia in nonpregnant adults in the US.

Corresponding Author: Ravy K. Vajravelu, MD, MSCE, Division of Gastroenterology, Hepatology and Nutrition, Department of Medicine University of Pittsburgh School of Medicine, 200 Lothrop St, PUH, M2, C Wing, Pittsburgh, PA 15213 (ravy.vajravelu@pitt.edu).

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