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. 2002 Sep;17(9):847-50.
doi: 10.1002/gps.716.

Prevalence of dementia with Lewy bodies in an inpatient psychogeriatric population in Hong Kong Chinese

Sandra S M Chan  1 , Helen F K Chiu, Linda C W Lam, Vivian P Y Leung
Affiliations

Prevalence of dementia with Lewy bodies in an inpatient psychogeriatric population in Hong Kong Chinese

Sandra S M Chan et al. Int J Geriatr Psychiatry. 2002 Sep.

Abstract

Objective: To find out the prevalence of dementia with Lewy bodies (DLB) in an inpatient psychogeriatric population in Hong Kong Chinese.

Method: Clinical notes of all dementia patients admitted to an inpatient psychogeriatric unit between 1 January and 31 December 2000 were reviewed to retrieve information on various subtypes of dementia that have been diagnosed prospectively using NINCDS-ARDRA, NINDS-AIREN, CDLB and DSM-IV by qualified senior psychogeriatricians.

Result: There were only three cases of dementia with Lewy bodies out of 102 dementia inpatients, giving a prevalence rate of 2.9% over a two-year period.

Conclusion: The prevalence rate of dementia with Lewy bodies is remarkably lower than figures reported in western studies. Further evaluation using better sampling frame and better-validated diagnostic gold standard is required. Ethnically related biological factors may be implicated to explain the preliminary low prevalence rate in Chinese population.

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