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Region Hovedstaden - en del af Københavns Universitetshospital
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Declining incidence of dementia: A national registry-based study over 20 years

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INTRODUCTION: The aim of this study was to investigate the registry-based national time trends in incidence and prevalence rates of dementia from 1996 to 2015.

METHODS: We assessed annual incidence and prevalence using longitudinal data from nationwide registries on dementia status and demographics on all residents ≥ 65 years old in Denmark.

RESULTS: Our population comprised 2 million people, of whom 152,761 were diagnosed with dementia. The age- and sex-adjusted incidence rate increased, on average, by 9% annually from 1996 to 2003, followed by a 2% annual decline, while total prevalence increased during the whole period.

DISCUSSION: This is the first study to report continuous time trends of incidence and prevalence in an entire national population. The incidence rate has declined steadily since 2003, while the total prevalence is still increasing. Future health care planning on prevention and treatment of dementia should take these findings into account.

OriginalsprogEngelsk
TidsskriftAlzheimer's & dementia : the journal of the Alzheimer's Association
Vol/bind15
Udgave nummer11
Sider (fra-til)1383-1391
ISSN1552-5260
DOI
StatusUdgivet - nov. 2019

Bibliografisk note

Copyright © 2019 The Authors. Published by Elsevier Inc. All rights reserved.

ID: 58124386