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Chinese Journal of Cerebrovascular Diseases(Electronic Edition) ›› 2026, Vol. 20 ›› Issue (01): 42-49. doi: 10.3877/cma.j.issn.1673-9248.2026.01.006

• Original Article • Previous Articles    

Correlation between body roundness index and risk of stroke: based on NHANES data

Cheng Su, Zhong Tang(), Si Chen, Ming Chu   

  1. Department of Neurosurgery, Shenzhen Third People's Hospital, Shenzhen 518100, China
  • Received:2025-10-01 Online:2026-02-01 Published:2026-03-11
  • Contact: Zhong Tang

Abstract:

Objective

To identify the correlation between the body roundness index (BRI) and the risk of stroke.

Methods

Data from 199 stroke patients and 8351 non-stroke participants in the National Health and Nutrition Examination Survey (NHANES, 2005–2010) were analyzed. Weighted multiple Logistic regression and restricted cubic splines (RCS) were used to explore the relationship between BRI (independent variable) and stroke risk (dependent variable).

Results

A significant positive correlation between the BRI and the stroke was observed by weighted multiple Logistic regression analysis (OR=1.22, 95%CI: 1.16-1.28, P<0.001). In all three models (Model 1 does not adjust covariates; Model 2 is adjusted based on age, gender, race, marital status, education level, and poverty income ratio; Model 3 adjusts smoking, drinking, hypertension, hyperlipidemia, diabetes, cancer, coronary heart disease, sleep time, serum creatinine and blood urea nitrogen on the basis of model 2), a noteworthy positive relationship between BRI and the risk of stroke (all OR>1, all P<0.05) was found. Additionally, RCS analysis did not demonstrate any nonlinear relationship between BRI and stroke risk after controlling for all confounding factors.

Conclusion

BRI is significantly associated with stroke risk. Given its effectiveness and non-invasiveness, BRI is expected to serves as a promising indicator for early detection and management strategies of stroke.

Key words: Body roundness index, Stroke, Cross-sectional study, National Health and Nutrition Examination Survey

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