Association between triglyceride-glucose index and phenotypic age acceleration: a cross-sectional study based on NHANES database.

Front Physiol · 2025 · PMC12078276 · PMID 40376115

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a clear trendno p-value reported

A clear trend was observed across quartiles, with higher TyG quartiles associated with greater PhenoAgeAccel (P for trend <0.05 in all models). 3.4 Model validation and diagnostic assessment To ensure the validity and reliability of our findings, comprehensive model diagnostics and validation procedures were performed.

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