Association between body roundness index and frailty in chronic obstructive pulmonary disease: A cross-sectional study of NHANES 1999 to 2018.

Medicine (Baltimore) · 2025 · PMC12708219 · PMID 41398844

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a significant trendno p-value reported

In all models, there was a significant trend of increasing frailty risk with increasing BRI tertiles ( P for trend < .05). 3.3.

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an overall trendno p-value reported

RCS analysis showed that at a BRI of 5.363 or higher, there was an overall trend toward a significantly increased risk of frailty ( P overall = .004), but no significant nonlinear relationship between BRI and frailty was observed ( P nonlinear = .405)(Fig. 3 ). 3.4.

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