Gastric cancer incidence trends in China: 1989-2018 registry data, 2022 Bayesian age-period-cohort estimates, ecological correlates

doi:10.5306/wjco.125511

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World Journal of Clinical Oncology

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2218-4333

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

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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 Clin Oncol. Sep 24, 2026; 17(9): 125511
Published online Sep 24, 2026. doi: 10.5306/wjco.125511

Table 2 Coefficient of determination (R²) for statistically significant influencing factors

Urban	R²	Rural	R²
Fresh fruits	0.561	Helicobacter pylori infection	0.986
Disposable income	0.514	Disposable income	0.914
Refrigerator ownership	0.507	Refrigerator ownership	0.914
Urban population ratio	0.471	Rural population ratio	0.906
COD in industrial wastewater	0.253	Fresh fruits	0.863
		COD in industrial wastewater	0.766
		High salt pickled food	0.717
		Ammonia nitrogen in industrial wastewater	0.658
		Processed meat	0.555

R² values are derived from bivariate correlations on observed 1989-2018 dataset; projected 2022 data was excluded. These R² represent unadjusted ecological temporal associations and do not indicate causal strength. COD: Chemical oxygen demand.

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Citation: Ren L, Zhang W, Sun L, Li WW, Xiao J, Wang W, Zhao CL, Han C. Gastric cancer incidence trends in China: 1989-2018 registry data, 2022 Bayesian age-period-cohort estimates, ecological correlates. World J Clin Oncol 2026; 17(9): 125511
URL: https://www.wjgnet.com/2218-4333/full/v17/i9/125511.htm
DOI: https://dx.doi.org/10.5306/wjco.125511

Ren L, Zhang W, Sun L, Li WW, Xiao J, Wang W, Zhao CL, Han C. Gastric cancer incidence trends in China: 1989-2018 registry data, 2022 Bayesian age-period-cohort estimates, ecological correlates. World J Clin Oncol 2026; 17(9): 125511 [DOI: 10.5306/wjco.125511]

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