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Prevalence of dementia in a semi-urban population in Sri Lanka
 — report from a regional survey
Author(s)H A de Silva, S B Gunatilake, A D Smith
Journal titleInternational Journal of Geriatric Psychiatry, vol 18, no 8, August 2003
Pagespp 711-715
KeywordsDementia ; Urban areas ; Sri Lanka.
AnnotationThe study was conducted in Ragama, a semi-urban town 15 km north of Colombo, to ascertain the prevalence of Alzheimer's disease (AD) and other dementias. In Phase 1 of the study, 703 subjects aged 65+ were screened for cognitive impairment using the Sinhalese Mini-Mental State Examination (MMSE). In Phase 2, the 42 subjects who screened positive in Phase 1 (an overall prevalence rate of 3.98%) were included for detailed evaluation for dementia according to DSM IV and NINCDS-ADRDA criteria, which included structured neuropsychiatric assessment, laboratory investigations, an axial CT scan of the brain, and an informant interview. Of these, 20 had probable AD, 4 had vascular dementia (VaD), two had mixed VaD and AD, one had Lewy body dementia, and one had dementia due to syphilis. Greater age, illiteracy, and female gender were associated with higher prevalence of dementia. Comparisons with other community studies of dementia in Northern India suggest that dementia prevalence is higher in Sri Lanka. This may be due to regional differences in disease incidence. (RH).
Accession NumberCPA-030916206 A
ClassmarkEA: RK: 7FF

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