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Association of life...
Association of lifespan cognitive reserve indicator with the risk of mild cognitive impairment and its progression to dementia
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Xu, Hui (author)
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Yang, Rongrong (author)
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- Dintica, Christina (author)
- Karolinska Institutet,Stockholms universitet,Centrum för forskning om äldre och åldrande (ARC), (tills m KI)
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Qi, Xiuying (author)
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Song, Ruixue (author)
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Bennett, David A. (author)
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- Xu, Weili (author)
- Karolinska Institutet,Stockholms universitet,Centrum för forskning om äldre och åldrande (ARC), (tills m KI),Tianjin Medical University, China; Tianjin Key Laboratory of Environment, Nutrition and Public Health, China; Tianjin Center for International Collaborative Research in Environment, Nutrition and Public Health, China
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(creator_code:org_t)
- 2020-04-27
- 2020
- English.
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In: Alzheimer's & Dementia. - : Wiley. - 1552-5260 .- 1552-5279. ; 16:6, s. 873-882
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Abstract
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- Introduction: The association of lifespan cognitive reserve (CR) with mild cognitive impairment (MCI) remains controversial. We aimed to examine the association of lifespan CR indicator with the risk of MCI and its progression to dementia, taking brain pathologies into account.Methods: In a community-based cohort study (mean age, 79 years) with annual followup (median, 5.16 years; maximum, 20 years), a cognitively intact group (n = 1182) and an MCI group (n = 420) were identified at baseline. During the follow-up, 611 participants died and underwent autopsies. CR indicator encompassing education, early life to late-life cognitive and social activities were obtained and tertiled.Results: The multi-adjusted hazard ratio (HR) of MCI was 0.72 (95% confidence interval [CI] 0.58 to 0.90) in the cognitively intact group, and the HR of dementia was 0.66 (95% CI 0.45 to 0.97) in the MCI group for participants with the highest CR indicator (reference: the lowest CR indicator). Among MCI participants with brain pathologies, dementia incidence was about 50% lower in people with the highest CR indicator than the lowest CR indicator.Discussion: High lifespan CR indicator reduces risk of MCI, and delays its progression to dementia.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Neurologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Neurology (hsv//eng)
Keyword
- brain pathologies
- cognitive reserve
- dementia
- mild cognitive impairment
- population-based cohort study
Publication and Content Type
- ref (subject category)
- art (subject category)
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