© 2004 BMJ Publishing Group Ltd., Royal College of Psychiatrists, & British Psychological Society
Prevalence
Dementia may affect 18 319 people under the age of 65 in the UK
Harvey RJ, Skelton-Robinson M, Rossor MN. The prevalence and causes of dementia in people under the age of 65 years. J Neurol Neurosurg Psychiatry 2003;74:1206–9.
Q What is the prevalence of dementia in people under 65 years old in the UK?
Key Words: dementia
| The first 150 words of the full text of this article appear below. |
Design:
Cross sectional study.
Setting:
Three boroughs in London; time period of survey not specified.
People:
567 500 residents of the catchment area.
Analysis:
Medical and care professionals were contacted and asked to report confirmed and suspected cases of early onset dementia under their care on a given "census" day. Databases and registers from the four main hospitals were searched for relevant cases with appropriate ICD-9/10 diagnoses. All available hospital and general practioner notes for reported cases were obtained and reviewed. Where possible, cause of dementia was ascertained from genetic diagnosis, neuropathology, or using recognised validated diagnostic criteria. Age at onset was taken as the age at which first definitive dementia symptom was recorded. Detailed clinical assessment during a home visit by the study author was made of 47% of cases to confirm diagnosis.
Outcomes:
Incidence and aetiology of dementia in people under 65 years old.
In people aged 30–64
Assistant Professor, Columbia University, College of Physicians and
Surgeons, Gertrude H Sergievsky Center and the Mailman School of
Public Health, Department of Health Policy and Management,
New York, USA
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