Association between the dietary index for gut microbiota (DI-GM) and all-cause mortality in older adults with COPD: Evidence from the NHANES.

Medicine (Baltimore) · 2026 · PMC12885737 · PMID 41650035

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a significant trendno p-value reported

When analyzed by quartiles, higher DI-GM scores were associated with a progressively lower risk of all-cause mortality compared with the lowest quartile (Q1, <4 points), with a significant trend observed ( P for trend <.001).

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