What is the global prevalence of chronic gastritis?

Updated: Jun 07, 2019
  • Author: Akiva J Marcus, MD, PhD; Chief Editor: BS Anand, MD  more...
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Answer

Lymphocytic gastritis has an incidence of between 0.83% and 2.5% in patients undergoing endoscopy and of 4%-5% in those with chronic gastritis. The disease has been reported in various parts of the world but more commonly in Europe, and it appears to be less common in the United States. [67, 68]

Chronic reactive chemical gastropathy is one of the most common and poorly recognized lesions of the stomach.

International statistics

An estimated 50% of the world population is infected with H pylori; consequently, chronic gastritis is extremely frequent. H pylori infection is highly prevalent in Asia and in developing countries, and multifocal atrophic gastritis and gastric adenocarcinomas are more prevalent in these areas. [6, 61, 62, 69]

Autoimmune gastritis is a relatively rare disease, most frequently observed in individuals of northern European descent [3, 70] and black people. The prevalence of pernicious anemia, resulting from autoimmune gastritis, has been estimated at 127 cases per 100,000 population in the United Kingdom, Denmark, and Sweden. The frequency of pernicious anemia is increased in patients with other immunologic diseases, including Graves disease, myxedema, thyroiditis, vitiligo and hypoparathyroidism. [71, 72, 73]


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