{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,1]],"date-time":"2026-07-01T20:23:25Z","timestamp":1782937405191,"version":"3.54.5"},"reference-count":42,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2017,5,25]],"date-time":"2017-05-25T00:00:00Z","timestamp":1495670400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Aliment Pharmacol Ther"],"published-print":{"date-parts":[[2017,8]]},"abstract":"<jats:title>Summary<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Gastric infection with <jats:italic>Helicobacter pylori<\/jats:italic> (Hp) can lead to chronic inactive gastritis, atrophy and intestinal metaplasia.<\/jats:p><\/jats:sec><jats:sec><jats:title>Aims<\/jats:title><jats:p>To investigate in a cross\u2010sectional study these changes among different socioeconomic and ethnic groups within the <jats:styled-content style=\"fixed-case\">USA<\/jats:styled-content>.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>We used the Miraca Life Sciences database, an electronic depository of clinicopathological records from patients distributed throughout the <jats:styled-content style=\"fixed-case\">USA<\/jats:styled-content>, to extract data from 487 587 patients who underwent oesophago\u2010gastro\u2010duodenoscopy with biopsy between 1\/2008 and 12\/2014. We then classified patients into ethnic and socioeconomic categories using previously validated algorithms, as well as <jats:styled-content style=\"fixed-case\">ZIP<\/jats:styled-content> code\u2010based information derived from the 2011\u20102012 <jats:styled-content style=\"fixed-case\">US<\/jats:styled-content> Census.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The prevalence of Hp increased significantly until the age\u2010group 40\u201049, before it leveled off and started a gradual decrease. The prevalence of chronic inactive gastritis, atrophy, and intestinal metaplasia increased significantly with age. The prevalence of Hp, chronic inactive gastritis, intestinal metaplasia, and atrophy decreased significantly with the percentage of Whites per <jats:styled-content style=\"fixed-case\">ZIP<\/jats:styled-content> code. The prevalence of all four diagnoses also decreased significantly with rising levels of income or college education. Hp, chronic inactive gastritis, atrophy and intestinal metaplasia were more common among Hispanics and the influence of income or college education less pronounced than in the entire population. Hp, chronic inactive gastritis, atrophy, and intestinal metaplasia were also more common among East\u2010Asians, Hp and atrophy decreasing with rising income but remaining unaffected by levels of college education.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Ethnicity and socioeconomic factors influence the occurrence of Hp gastritis, and its progression to chronic inactive gastritis, atrophy or intestinal metaplasia.<\/jats:p><\/jats:sec>","DOI":"10.1111\/apt.14162","type":"journal-article","created":{"date-parts":[[2017,5,26]],"date-time":"2017-05-26T03:22:44Z","timestamp":1495768964000},"page":"322-330","source":"Crossref","is-referenced-by-count":30,"title":["Demographic and socioeconomic influences on <i>Helicobacter pylori<\/i> gastritis and its pre\u2010neoplastic lesions amongst <scp>US<\/scp> residents"],"prefix":"10.1111","volume":"46","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3678-7023","authenticated-orcid":false,"given":"R. 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