Abstract
We investigated the association of serum dehydroepiandrosterone sulfate (DHEA-S) levels with dementia of Alzheimer's type (DAT) and impairment in selected cognitive domains (memory, language, attention and working memory) in 158 patients (75.5+/-6.7 years, 46 men) with first-diagnosed probable DAT and in 158 age- and sex-matched controls. As secondary goal, we evaluated whether DHEA-S baseline levels were associated with cumulative 6-year mortality. A negative correlation between DHEA-S levels and age was observed (R=-0.25, p<0.001). Age-stratified analysis did not show significant differences of DHEA-S levels between DAT patients and controls. No significant association was found between DHEA-S levels and impairment in selected cognitive domains. Cox regression analysis showed that baseline DHEA-S levels were not associated with cumulative 6-year mortality. In a sample of newly-diagnosed DAT patients, we did not find significant association between presence of DAT or impairment in cognitive domains and DHEA-S levels; baseline DHEA-S levels are not associated with cumulative mortality in patients and controls.
Published Version
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