Association of lower hemoglobin-to-RDW ratio with sarcopenia: Insights from a nationally representative NHANES 2011-2018 study in the United States.

When HRR was categorized into quartiles, with Q1 (lowest quartile) as the reference, the Q2 group showed a significantly lower risk of sarcopenia in Model 2 (OR = 0.81, 95% CI: 0.67–0.99, P = .036), although the association did not reach statistical significance in Models 1 and 3.

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