Helicobacter pylori infection epidemiology and demographics
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Yamuna Kondapally, M.B.B.S[2]
Overview
Approximately two-thirds of the world's population is infected with H. pylori. In the United States, H. pylori is more prevalent among older adults, African Americans, Hispanics, and lower socioeconomic groups.
Approximately 25 million Americans suffer from peptic ulcer disease at some point in their lifetime. Each year there are 500,000 to 850,000 new cases of peptic ulcer disease and more than one million ulcer-related hospitalizations.
Epidemiology and Demographics
Prevalence
- H.pylori inhabits more than 50% of world's population especially in developing countries.[1]
Incidence
Mortality rate
Age
- The prevalence of infection increases with age.[2]
- About 30%-50% of H.pylori infections are acquired during childhood which increases to 90% during adulthood in developing countries.[3]
- H.pylori infection in developed countries is less common in children and reaches upto 60% with increasing age.[4]
- In united states, 20% of adolescents are infected with H.pylori when compared to 90% in by 5 years of age in developing countries.[5]
Gender
Race
- In United States, H.pylori prevalence is higher in African Americans, Hispanics, and the elderly.
Developing countries
- The prevalence of H.pylori is higher in developing countries than that in developed countries.
Developed countries
- The prevalence of H.pylori is declining in United States.
- In United states, approximately 25% of children between 6-19 years old are infected.[6]
References
- ↑ "Epidemiology of, and risk factors for, Helicobacter pylori infection among 3194 asymptomatic subjects in 17 populations. The EUROGAST Study Group". Gut. 34 (12): 1672–6. 1993. PMC 1374460. PMID 8282253.
- ↑ Mégraud F, Brassens-Rabbé MP, Denis F, Belbouri A, Hoa DQ (1989). "Seroepidemiology of Campylobacter pylori infection in various populations". J Clin Microbiol. 27 (8): 1870–3. PMC 267687. PMID 2549098.
- ↑ Cheng H, Hu F, Zhang L, Yang G, Ma J, Hu J; et al. (2009). "Prevalence of Helicobacter pylori infection and identification of risk factors in rural and urban Beijing, China". Helicobacter. 14 (2): 128–33. doi:10.1111/j.1523-5378.2009.00668.x. PMID 19298340.
- ↑ Go MF (2002). "Review article: natural history and epidemiology of Helicobacter pylori infection". Aliment Pharmacol Ther. 16 Suppl 1: 3–15. PMID 11849122.
- ↑ Frenck RW, Clemens J (2003). "Helicobacter in the developing world". Microbes Infect. 5 (8): 705–13. PMID 12814771.
- ↑ M. A. Staat, D. Kruszon-Moran, G. M. McQuillan & R. A. Kaslow (1996). "A population-based serologic survey of Helicobacter pylori infection in children and adolescents in the United States". The Journal of infectious diseases. 174 (5): 1120–1123. PMID 8896521. Unknown parameter
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