Prevalence and incidence of clinically diagnosed Alzheimer's disease dementia from 1994 to 2012 in a population study
Introduction The trends in prevalence and incidence of Alzheimer's disease (AD) dementia
remain uncertain. Methods A sample of 2794 participants with a clinical diagnosis for AD
dementia were included. Results The 2010 census standardized prevalence of AD dementia
was 14.5%(95% CI= 13.7–15.3), and annual incidence was 2.3%(1.7–2.9). Both prevalence
and incidence showed substantial variation over time, but no secular trends. The prevalence
of AD dementia did not change significantly from 14.6%(95% CI= 13.0, 16.2) in 1994–1997 …
remain uncertain. Methods A sample of 2794 participants with a clinical diagnosis for AD
dementia were included. Results The 2010 census standardized prevalence of AD dementia
was 14.5%(95% CI= 13.7–15.3), and annual incidence was 2.3%(1.7–2.9). Both prevalence
and incidence showed substantial variation over time, but no secular trends. The prevalence
of AD dementia did not change significantly from 14.6%(95% CI= 13.0, 16.2) in 1994–1997 …
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