Cognitive impairment, all-cause and cause-specific mortality among non-demented older adults

cognitive impairment is widespread among older adults even in the absence of dementia, but very little is known about the association between cognitive impairment not due or not yet converted to dementia and mortality. The association between cognitive impairment and mortality contributes to assessi...

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Vydané v:Age and ageing Ročník 44; číslo 3; s. 445
Hlavní autori: Perna, Laura, Wahl, Hans-Werner, Mons, Ute, Saum, Kai-Uwe, Holleczek, Bernd, Brenner, Hermann
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: England 01.05.2015
Predmet:
Age Factors
Aged
Cause of Death
Cognitive Dysfunction - mortality
Female
Germany
Humans
Kaplan-Meier Estimate
Male
Mortality
Neuropsychological Tests
Proportional Hazards Models
Risk Factors
Sex Factors
mortality
cognitive impairment
older people
cognition
ISSN:1468-2834, 1468-2834
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Shrnutí:cognitive impairment is widespread among older adults even in the absence of dementia, but very little is known about the association between cognitive impairment not due or not yet converted to dementia and mortality. The association between cognitive impairment and mortality contributes to assessing cognitive impairment-related risk constellation in old age in the absence of manifest dementia. to assess the impact of cognitive impairment on all-cause and cause-specific mortality among non-demented older adults and to explore the nature of the association between cognitive impairment and mortality. an observational cohort study (ESTHER study; 2000-present). German state of Saarland. a subsample of 1,622 participants aged ≥70 with measurement of cognitive function through the Cognitive Telephone Screening Instrument (COGTEL) and exclusion of a possible dementia diagnosis at both COGTEL baseline (2005-08) and over the mortality follow-up (2005-13). during an average follow-up of 6.1 years, 231 participants (14.2%) died. Participants with low COGTEL total scores had ∼60% increased mortality compared with participants with higher COGTEL total scores in Cox regression models adjusting for a wide range of possible confounders (hazard ratio = 1.62; confidence interval 1.13-2.33). Dose-response analyses with restricted cubic splines indicate a monotonic inverse relationship between cognitive function and mortality. cognitive impairment in the absence of manifest dementia is an important independent predictor of mortality, especially among men. The administration of cognitive tests among older adults may provide relevant information for patient care and treatment decisions. financial sponsors played no role in the design, execution, analysis and interpretation of data.
Bibliografia:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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ISSN:1468-2834
1468-2834
DOI:10.1093/ageing/afu188