What does this research mean for the field?

Higher Body Roundness Index (BRI) is independently and nonlinearly associated with increased odds of periodontitis, serving as a potential anthropometric marker for risk stratification. Novelty: ClaimNovelty.NOVEL_FINDING. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To evaluate the relationship between the Body Roundness Index (BRI) and periodontitis risk in American adults.

August 30, 2026MedicineOpen Access

Body roundness index as a novel marker of periodontitis in US adults

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Authors

JFJun Fang MWMinghua Wang YSYanni Sun

Discussion

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Overview

Cross-sectional analysis demonstrates an independent association between body roundness index and periodontitis, highlighting its utility for oral health risk stratification.

Key Points

To evaluate the relationship between the Body Roundness Index (BRI) and periodontitis risk in American adults.
Analyzed 10,790 participants from the 2009–2014 National Health and Nutrition Examination Survey (NHANES).
Conducted 1:1 propensity score matching (PSM) adjusting for age, sex, race/ethnicity, and poverty ratio.
Assessed associations using multivariable logistic regression, restricted cubic splines, and XGBoost machine learning with SHAP values.
In the matched cohort, mean BRI was significantly elevated in the periodontitis group (5.34 ± 2.16) compared with controls (5.07 ± 2.12; P < .001).
Continuous BRI independently correlated with increased periodontitis risk (OR: 1.053, 95% CI: 1.016–1.092, P = .0051).
Comparing highest to lowest quartiles demonstrated significantly higher odds of periodontitis (Q4 vs. Q1 OR: 1.299, 95% CI: 1.047–1.612, P = .0175), with restricted cubic spline analysis showing a positive nonlinear relationship.

Cite This Study

Fang et al. (2026) studied this question.

synapsesocial.com/papers/6a93f08e6c1a8fb52e79cd73 https://doi.org/10.1097/md.0000000000050419

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August 30, 2026MedicineOpen Access

Body roundness index as a novel marker of periodontitis in US adults

View Full Paper

Ask AI

Bookmark

Authors

JFJun Fang MWMinghua Wang YSYanni Sun

Discussion

Member takes

Overview

Cross-sectional analysis demonstrates an independent association between body roundness index and periodontitis, highlighting its utility for oral health risk stratification.

Key Points

To evaluate the relationship between the Body Roundness Index (BRI) and periodontitis risk in American adults.
Analyzed 10,790 participants from the 2009–2014 National Health and Nutrition Examination Survey (NHANES).
Conducted 1:1 propensity score matching (PSM) adjusting for age, sex, race/ethnicity, and poverty ratio.
Assessed associations using multivariable logistic regression, restricted cubic splines, and XGBoost machine learning with SHAP values.
In the matched cohort, mean BRI was significantly elevated in the periodontitis group (5.34 ± 2.16) compared with controls (5.07 ± 2.12; P < .001).
Continuous BRI independently correlated with increased periodontitis risk (OR: 1.053, 95% CI: 1.016–1.092, P = .0051).
Comparing highest to lowest quartiles demonstrated significantly higher odds of periodontitis (Q4 vs. Q1 OR: 1.299, 95% CI: 1.047–1.612, P = .0175), with restricted cubic spline analysis showing a positive nonlinear relationship.

Cite This Study

Fang et al. (2026) studied this question.

synapsesocial.com/papers/6a93f08e6c1a8fb52e79cd73 https://doi.org/10.1097/md.0000000000050419

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