[The prevalence of dementia in the population of the Warsaw district of Mokotów from 65 to 84 years of age].
The aim of the two-phase population based study was to estimate the prevalence of dementia. Among the population aged 65-84 years of the Warsaw district Mokotów, the stratified sample consisted of 1,000 persons taken randomly. The first-screening phase (MMSE) was conducted by raters among 893 persons. 92 subjects with disturbances of cognitive functions were qualified to the second-diagnostic phase and 89 were given a diagnostic examination with the Cambridge Mental Disorders of the Elderly Examination. The following age-specific prevalences of dementia were found in the age-groups 65-69, 70-74, 75-79, 80-84: 1.9, 5.8, 8.6 and 16.5% respectively. Rates for vascular dementia (2.7) were higher than those for dementia of the Alzheimer's type (2.3), mixed dementia (0.5), and secondary dementia (0.2%). In the younger subgroups (65-74 y), vascular dementia was the most frequent and in the older subgroups (75-84 y) the most frequent was Alzheimer's type. The rates of dementia were quite similar to those found in other European studies.
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II Kliniki Psychiatrycznej IPiN w Warszawie.
D000368:Aged; D000369:Aged, 80 and over; D002391:Catchment Area, Health; D003704:Dementia / Q000145:classification / Q000453:epidemiology*; D005260:Female; D006801:Humans; D008297:Male; D011044:Poland / Q000453:epidemiology; D015995:Prevalence; D012720:Severity of Illness Index