Neuroepidemiology
Original Paper
Prevalence of Stroke in an Urban, Mixed-Income Community in Lagos, NigeriaDanesi M. · Okubadejo N. · Ojini F.Neurology Unit, Department of Medicine, College of Medicine, University of Lagos, Lagos, Nigeria
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Article / Publication Details
Received: December 06, 2006
Accepted: July 17, 2007
Published online: September 11, 2007
Issue release date: October 2007
Number of Print Pages: 8
Number of Figures: 1
Number of Tables: 4
ISSN: 0251-5350 (Print)
eISSN: 1423-0208 (Online)
For additional information: https://www.karger.com/NED
Abstract
Background: The burden of cerebrovascular disease in developing countries is projected to be on the rise. However, data on the current epidemiology of stroke in Africa are sparse. Methods: Using a 3-staged method, we conducted a door-to-door study of stroke in an urban, mixed-income community in Lagos, Nigeria. We used a modification of the WHO protocol in the first stage, a stroke-specific questionnaire in the second stage and neurological examination of all persons screening positive for stroke in the third stage. We also examined an equal number of stroke-negative persons. Results: Overall, the crude prevalence rate of stroke in urban Nigeria was 1.14/1,000 (males: 1.51; females: 0.69). The age-adjusted prevalence rates per 1,000 (adjusted to the USA population 2000) in mid-decade strata showed a trend of increasing prevalence with advancing age as follows: 35–44 years = 0.009, 45–54 years = 0.33, 55–64 years = 0.71, 65–74 years = 0.98, 75–84 years = 2.04 and >85 years = 0.74. Conclusions: Stroke prevalence rates in urban Nigeria are lower than those in most developed countries. The lower rates may be related to lower incidence and higher stroke mortality in developing countries.
© 2007 S. Karger AG, Basel
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Article / Publication Details
Received: December 06, 2006
Accepted: July 17, 2007
Published online: September 11, 2007
Issue release date: October 2007
Number of Print Pages: 8
Number of Figures: 1
Number of Tables: 4
ISSN: 0251-5350 (Print)
eISSN: 1423-0208 (Online)
For additional information: https://www.karger.com/NED
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