Why the study?
Sex differences in Alzheimer's disease are recognized, but their impact on cognitive assessment remains underexplored.
Does female sex affect ADAS-Cog-13 cognitive performance in cognitively normal individuals and Alzheimer's disease patients?
Does female sex affect ADAS-Cog-13 cognitive performance in cognitively normal individuals and Alzheimer's disease patients?
I need the paper details to frame a Level-5 implication without restating the finding. Searching now.Found the paper. Pulling the abstract and clinical takeaways next.Should not yet change ADAS-Cog-13 scoring; leaves open sex-normed cutoffs for early AD detection.
Sex differences in Alzheimer’s disease (AD) are well recognized, yet their impact on cognitive assessment remains underexplored. We examined sex differences in the 13-item AD Assessment Scale–Cognitive Subscale (ADAS-Cog-13) separately within cognitively normal (CN), and AD patients, controlling for hippocampal atrophy. CN women performed significantly better than men on the total score, word recall, naming, and word recognition. No sex differences were observed within the AD group on the total score, but males performed better in delayed word recall. These findings underscore the need to account for sex when interpreting cognitive test results, especially in preclinical stages of AD.
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Liu et al. (2026) studied this question.
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