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

Table 1 Baseline characteristics of the 69633 eligible participants, n (%)/mean ± SD

Variable category	Total participants	H. pylori-negative	H. pylori-positive	P value
All	69633	43641 (62.7)	25992 (37.3)
Age (years)	43.6 ± 16.1	43.3 ± 16.7	43.9 ± 15.1	< 0.001^a
Age group (years)				< 0.001^a
< 10	1415	1164 (82.3)	251 (17.7)
10-19	2857	2130 (74.6)	727 (25.4)
20-29	10468	6602 (63.1)	3866 (36.9)
30-39	14662	8621 (58.8)	6041 (41.2)
40-49	12770	7675 (60.1)	5095 (39.9)
50-59	15260	9502 (62.3)	5758 (37.7)
60-69	9116	5922 (65.0)	3194 (35.0)
≥ 70	3085	2025 (65.6)	1060 (34.4)
Gender				< 0.001^a
Male	30703	18890 (61.5)	11813 (38.5)
Female	38930	24751 (63.6)	14179 (36.4)

^aP < 0.05.

H. pylori: Helicobacter pylori.

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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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