Journal
JOURNAL OF ALZHEIMERS DISEASE
Volume 64, Issue 1, Pages 269-279Publisher
IOS PRESS
DOI: 10.3233/JAD-171059
Keywords
Activities of daily living; Alzheimer's disease; cognition; dementia; follow-up study; functional ability
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Funding
- Kuopio University Hospital [1V255/5772728]
- Paivikki and Sakari Sohlberg Foundation
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Background: Impaired cognition and activities of daily living (ADL) are core symptoms of Alzheimer's disease (AD), but their relationship is unclear. Objectives: To explore relationships between cognitive domains and functional ability during 5-year follow-up in persons with AD. Methods: We analyzed ALSOVA study data from 236 individuals with very mild or mild AD at baseline. The CERAD Neuropsychological Battery (CERAD-NB) was used as a cognitive measure and Alzheimer's Disease Cooperative Study ADL (ADCS-ADL) as a functional measure, analyzing the IADL and BADLsub- scores separately. Annual regression models and linear mixed-effect models (LMMs) covering a 5-year follow-up period were used. Results: Annually, the CERAD-NB total and especially Verbal Fluency, Clock Drawing, and Constructional Praxis were associated with the total ADCS-ADL and IADL scores increasingly yet modestly, and to a lesser extent the BADL score. In the LMMs, the same measures and MMSE were associated with ADL. Conclusion: Measures of executive function and visuoconstructive skills appear to be associated with caregiver-interview based ADL measure during the progression of AD.
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