Zinc and copper status, biological aging, and mild cognitive impairment: cross-sectional mediation analysis in a high-risk occupational population.

BMC Public Health · 2026 · PMC13107743 · PMID 41845257

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closest p · 1.0× alpha

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did not reach statistical significanceP > 0.05actually significant

By comparison, participants with MCI had a slightly higher mean Cu concentration (17.74 ± 8.97 μmol/L) than those without MCI, but this difference did not reach statistical significance ( P > 0.05).

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