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International Urology and Nephrology

Association of body round index with chronic kidney disease: a population-based cross-sectional study from NHANES 1999–2018

Published in:
Authors
Hongliang Cao
Chengdong Shi
Zulipikaer Aihemaiti
Xianyu Dai
Fangqiu Yu
Song Wang
Published in
International Urology and Nephrology | Issue 3/2025

Abstract

Background

Complex nexuses between obesity and chronic kidney disease (CKD) have been reported. Nevertheless, the link between the body roundness index (BRI), an indicator utilized to measure body fat distribution, and CKD risk has been unexplored.

Methods

We utilized publicly available data from ten survey cycles (1999–2018) of the National Health and Nutrition Examination Survey (NHANES) in the United States. We examined the association between BRI and CKD risk using multivariable logistic regression, subgroup analysis, interaction tests, and smooth curve fitting.

Results

The study ultimately involved 41,953 participants, 3,123 (7.44%) of whom had CKD. Multivariable logistic regression, adjusted for covariates, identified high BRI levels in quartile 4 as a risk factor for CKD (OR = 1.30, 95% CI 1.12–1.50, P = 0.0005). This association remained consistent across subgroups (P for interaction > 0.05). Smoothed curve fitting exhibited a roughly linear positive correlation between BRI and CKD.

Conclusion

According to our study, BRI was related to CKD in a roughly linear way, suggesting a novel indicator for improving prevention and treatment for the CKD population. Nevertheless, additional research is needed to identify the association.
Title
Association of body round index with chronic kidney disease: a population-based cross-sectional study from NHANES 1999–2018
Authors
Hongliang Cao
Chengdong Shi
Zulipikaer Aihemaiti
Xianyu Dai
Fangqiu Yu
Song Wang
Publication date
06-11-2024
Publisher
Springer Netherlands
Published in
International Urology and Nephrology / Issue 3/2025
Print ISSN: 0301-1623
Electronic ISSN: 1573-2584
DOI
https://doi.org/10.1007/s11255-024-04275-3
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