Home > Publications Database > Prediction of dementia of Alzheimer type by different types of subjective cognitive decline. |
Journal Article | DZNE-2021-00127 |
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2020
Wiley
Hoboken, NJ
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Please use a persistent id in citations: doi:10.1002/alz.12163
Abstract: Subjective cognitive decline (SCD) is a risk condition for dementia, including dementia of Alzheimer type (DAT).We report sensitivity, specificity, positive and negative predictive values (PPV, NPV) for conversion to all-cause dementia, and DAT in different SCD types (decline in memory, assocated worries, longitudinal consitency, of the AgeCoDe study (n = 2.402, 12 years follow-up).82.7% of those converting to any dementia and 84.4% of those converting with DAT at follow-up, reported memory decline and fulfilled criteria of SCD at least at one time point before. SCD with worries at two consecutive time points showed a specificity of 92.2% for any dementia and also for DAT as well as a PPV of 44.3% for any dementia and of 36.9% for DAT at follow-up at the expense of low sensitivity.Different SCD subtypes were either sensitive or specific for future all-cause dementia and DAT in cognitively unimpaired individuals. Modest PPV of the most specific SCD subtypes were achieved in this low prevalence population.
Keyword(s): Alzheimer Disease: classification (MeSH) ; Alzheimer Disease: diagnosis (MeSH) ; Alzheimer Disease: epidemiology (MeSH) ; Anxiety: psychology (MeSH) ; Cognitive Dysfunction: diagnosis (MeSH) ; Cognitive Dysfunction: epidemiology (MeSH) ; Germany: epidemiology (MeSH) ; Humans (MeSH) ; Longitudinal Studies (MeSH) ; Neuropsychological Tests: statistics & numerical data (MeSH) ; Predictive Value of Tests (MeSH) ; Prevalence (MeSH) ; Self Report (MeSH) ; Alzheimer's disease ; negative predictive value ; positive predictive value ; subjective cognitive decline
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