Histology of gastritis and Helicobacter pylori infection in Thailand: a nationwide study of 3776 cases.

Background: Dyspepsia is a very common problem in Thailand. Etiology of gastritis, incidence of Helicobacter pylori and mode of transmission of Helicobacter pylori infection in the country was proposed.

Methods: A nation-wide study of gastric biopsy in 3776 dyspeptic patients from six different geographic regions for incidence of gastritis, type of gastritis, incidence of H.