Decade of decline: Unraveling Helicobacter pylori trends in Northwest China

doi:10.3748/wjg.121414

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World Journal of Gastroenterology

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1007-9327

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

Observational Study

Copyright: ©Author(s) 2026. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial (CC BY-NC 4.0) license. No commercial re-use. See permissions. Published by Baishideng Publishing Group Inc.

World J Gastroenterol. Dec 7, 2026; 32(45): 121414
Published online Dec 7, 2026. doi: 10.3748/wjg.121414

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Figure 1 Study flow chart. H. pylori: Helicobacter pylori.

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Figure 2 Trends in the age-standardized prevalence of Helicobacter pylori infection from 2014 to 2023. H. pylori: Helicobacter pylori.

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Figure 3 Prevalence of Helicobacter pylori infection among eligible participants who underwent ¹³C-urea breath testing during 2014-2017, 2018-2020, and 2021-2023, stratified by sex. H. pylori: Helicobacter pylori.

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Figure 4 Prevalence of Helicobacter pylori infection among eligible participants who underwent ¹³C-urea breath testing during 2014-2017, 2018-2020, and 2021-2023, stratified by age group. H. pylori: Helicobacter pylori.

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Figure 5 Sex-specific comparison of Helicobacter pylori infection prevalence. OR: Odds ratio.

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Figure 6 Association of age with Helicobacter pylori infection by sex from 2014 to 2023. A: Male; B: Female; C: Overall.

Citation: Zeng ZQ, Yang HY, He LY, Sun C, Wang JH, Dong L, Gong J, Li L, Zhao P. Decade of decline: Unraveling Helicobacter pylori trends in Northwest China. World J Gastroenterol 2026; 32(45): 121414
URL: https://www.wjgnet.com/1007-9327/full/v32/i45/121414.htm
DOI: https://dx.doi.org/10.3748/wjg.121414

Zeng ZQ, Yang HY, He LY, Sun C, Wang JH, Dong L, Gong J, Li L, Zhao P. Decade of decline: Unraveling Helicobacter pylori trends in Northwest China. World J Gastroenterol 2026; 32(45): 121414 [DOI: 10.3748/wjg.121414]

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