ArticleFrontiers in public health2026
A lifestyle-derived risk score for chronic atrophic gastritis: development and validation in 21,008 Chinese adults.
Article in Frontiers in public health, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Chronic atrophic gastritis (AG) is a key precancerous lesion of gastric cancer. Modifiable lifestyle factors such as smoking, alcohol consumption, and specific dietary patterns are associated with the risk of AG. However, lifestyle indicators have not been integrated into clinical practice, and there is a lack of practical integrated risk assessment tools for primary healthcare settings. Objective: Develop and validate a simple lifestyle risk score to identify individuals at high risk of AG in the Chinese screening population. Methods: This population-based case-control study utilized data from the Upper Gastrointestinal Cancer Screening Program in Gansu Province, China. A total of 21,008 participants aged 40-70 years were included. AG status was determined based on endoscopic and pathological diagnoses. A risk score (range 0-7) was developed incorporating seven modifiable lifestyle factors, with fried food and garlic intake included as exploratory components based on prior literature. Associations were assessed using multivariate logistic regression, and predictive performance was evaluated through ROC curve analysis, calibration, and decision curve analysis. Results: The prevalence of AG in the total sample was 44.5%. A strong positive association was observed between the lifestyle risk score and AG risk ( Conclusion: This study developed and validated a simple lifestyle risk score that demonstrated a significant association with AG risk and modest but clinically useful predictive performance suitable for primary healthcare settings. This tool is applicable for rapid identification of high-risk AG individuals in primary healthcare settings and gastric cancer screening programs, providing practical evidence to guide targeted preventive interventions.
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