title: [The prevalence of dementia in old age].
abstract: The risk of manifestation of dementia increases as the population grows older. The prevalence of dementia increases from 0.7% in age group 60-64 years to 38.8% in age group 90-94 years. Over 60, the prevalence rate doubles every 5.1 years. The most common types of dementia are Alzheimer's dementia and vascular dementia.
authors.affiliation: II Kliniki Psychiatrycznej IPiN w Warszawie.
authors.forename: T
authors.initials: T
authors.lastname: Gabryelewicz
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D003704:Dementia / Q000453:epidemiology*; D006801:Humans; D008875:Middle Aged; D015995:Prevalence