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

Table 2 Age-standardized prevalence of Helicobacter pylori infection by sex from 2014 to 2023

Year	Total		Male		Female
Year	CPR (%)	ASPR (95%CI)	CPR (%)	ASPR (95%CI)	CPR (%)	ASPR (95%CI)
2014	39.70	38.72 (35.53-41.92)	39.82	38.06 (34.06-42.06)	39.59	39.35 (34.31-44.40)
2015	41.66	38.21 (36.65-39.77)	40.81	38.05 (35.86-40.25)	42.33	38.31 (36.01-40.61)
2016	45.46	42.52 (41.14-43.90)	44.94	42.42 (40.40-44.44)	45.88	42.72 (40.83-44.61)
2017	38.82	38.33 (33.67-42.99)	39.14	38.96 (32.38-45.54)	38.56	39.06 (32.41-45.71)
2018	36.74	34.62 (33.18-36.07)	36.74	35.12 (32.97-37.27)	36.75	34.26 (32.31-36.21)
2019	37.84	34.15 (33.12-35.17)	39.56	36.10 (34.57-37.62)	36.52	32.51 (31.13-33.89)
2020	38.65	35.39 (34.05-36.74)	40.66	38.41 (36.36-40.46)	36.97	32.46 (30.72-34.21)
2021	38.05	34.44 (33.32-35.55)	39.08	36.17 (34.50-37.84)	37.22	32.74 (31.27-34.20)
2022	31.74	29.02 (27.83-30.20)	34.06	30.63 (28.95-32.31)	29.95	27.90 (26.21-29.60)
2023	30.60	27.94 (26.95-28.94)	32.75	30.09 (28.57-31.61)	29.00	26.29 (24.97-27.62)

Age-standardized prevalence rates were calculated by the direct method using the 2020 national census population of China as the standard population. CPR: Crude prevalence rate; ASPR: Age-standardized prevalence rate.

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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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