Macrocytic anemia epidemiology and demographics

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Amandeep Singh M.D.[2]

Overview

In 60% of anemic patients, megaloblastic anemia affects 2-4% of population.Patients of all age groups may develop megaloblastic anemia. The incidence of megaloblastic anemia increases with age. Megaloblastic anemia commonly affects older age group. Males are more commonly affected by megaloblastic anemia than females.

Epidemiology and Demographics

Incidence

  • In 60% of anemic patients, megaloblastic anemia affects 2-4% of population.[1][2][3]

Age

  • Patients of all age groups may develop megaloblastic anemia.
  • The incidence of megaloblastic anemia increases with age.
  • Megaloblastic anemia commonly affects older age group.

Gender

  • Males are more commonly affected by megaloblastic anemia than females.[4]

Developing Countries

More common in developing countries due to lack of resources

References

  1. "Anemia, Macrocytic - StatPearls - NCBI Bookshelf".
  2. Nagao T, Hirokawa M (October 2017). "Diagnosis and treatment of macrocytic anemias in adults". J Gen Fam Med. 18 (5): 200–204. doi:10.1002/jgf2.31. PMC 5689413. PMID 29264027.
  3. Khanduri U, Sharma A (2007). "Megaloblastic anaemia: prevalence and causative factors". Natl Med J India. 20 (4): 172–5. PMID 18085121.
  4. Inelmen EM, D'Alessio M, Gatto MR, Baggio MB, Jimenez G, Bizzotto MG, Enzi G (April 1994). "Descriptive analysis of the prevalence of anemia in a randomly selected sample of elderly people living at home: some results of an Italian multicentric study". Aging (Milano). 6 (2): 81–9. PMID 7918735.

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