Stroke: prevalence and disability in Cotonou, Benin. 2012

Marie-Joëlle Cossi, and Claire Gobron, and Pierre-Marie Preux, and Didier Niama, and Hugues Chabriat, and Dismand Houinato
IFR 145 GEIST, Institut de Neurologie Tropicale, EA 3174 NeuroEpidémiologie Tropicale et Comparée, Université de Limoges, Limoges, France.

BACKGROUND Little is known about the burden of stroke in sub-Saharan Africa that may increase with the ongoing demographic and socioeconomic transition. This study aims to assess the prevalence of stroke, its related disability rate and consequences in the quality of daily life in an urban door- to-door survey in Cotonou, Benin. METHODS A three-phase door-to-door study was performed in two districts of Cotonou with a broad range of socioeconomic income. A population of 15,155 individuals aged ≥15 years was evaluated. The first phase consisted in screening of stroke in the population using the modified WHO questionnaire, the second phase included the medical evaluation of all suspected cases, and in the third phase the diagnosis of stroke was confirmed by CT scan evaluation. RESULTS Out of 15,155 subjects, 321 cases were identified as possible stroke cases. The diagnosis was confirmed in 70 cases. The crude prevalence of stroke was thus estimated to be 4.6/1,000 (8.7/1,000 and 7.7/1,000 adjusted to the WHO and SEGI World Population). The mean age of the patients at onset was 56 ± 13 years. Sixty percent of stroke survivors had a Rankin score ≥2, and CT scan was found abnormal in 90.0% of them. CONCLUSIONS The stroke prevalence in urban areas of Cotonou is higher than that reported in other sub-Saharan countries, and the majority of stroke survivors present with good functional recovery and without severe disability in their everyday life.

UI MeSH Term Description Entries
D008297 Male Males
D008403 Mass Screening Organized periodic procedures performed on large groups of people for the purpose of detecting disease. Screening,Mass Screenings,Screening, Mass,Screenings,Screenings, Mass
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D011237 Predictive Value of Tests In screening and diagnostic tests, the probability that a person with a positive test is a true positive (i.e., has the disease), is referred to as the predictive value of a positive test; whereas, the predictive value of a negative test is the probability that the person with a negative test does not have the disease. Predictive value is related to the sensitivity and specificity of the test. Negative Predictive Value,Positive Predictive Value,Predictive Value Of Test,Predictive Values Of Tests,Negative Predictive Values,Positive Predictive Values,Predictive Value, Negative,Predictive Value, Positive
D011379 Prognosis A prediction of the probable outcome of a disease based on a individual's condition and the usual course of the disease as seen in similar situations. Prognostic Factor,Prognostic Factors,Factor, Prognostic,Factors, Prognostic,Prognoses
D011788 Quality of Life A generic concept reflecting concern with the modification and enhancement of life attributes, e.g., physical, political, moral, social environment as well as health and disease. HRQOL,Health-Related Quality Of Life,Life Quality,Health Related Quality Of Life
D011795 Surveys and Questionnaires Collections of data obtained from voluntary subjects. The information usually takes the form of answers to questions, or suggestions. Community Survey,Nonrespondent,Questionnaire,Questionnaires,Respondent,Survey,Survey Method,Survey Methods,Surveys,Baseline Survey,Community Surveys,Methodology, Survey,Nonrespondents,Questionnaire Design,Randomized Response Technique,Repeated Rounds of Survey,Respondents,Survey Methodology,Baseline Surveys,Design, Questionnaire,Designs, Questionnaire,Methods, Survey,Questionnaire Designs,Questionnaires and Surveys,Randomized Response Techniques,Response Technique, Randomized,Response Techniques, Randomized,Survey, Baseline,Survey, Community,Surveys, Baseline,Surveys, Community,Techniques, Randomized Response
D003430 Cross-Sectional Studies Studies in which the presence or absence of disease or other health-related variables are determined in each member of the study population or in a representative sample at one particular time. This contrasts with LONGITUDINAL STUDIES which are followed over a period of time. Disease Frequency Surveys,Prevalence Studies,Analysis, Cross-Sectional,Cross Sectional Analysis,Cross-Sectional Survey,Surveys, Disease Frequency,Analyses, Cross Sectional,Analyses, Cross-Sectional,Analysis, Cross Sectional,Cross Sectional Analyses,Cross Sectional Studies,Cross Sectional Survey,Cross-Sectional Analyses,Cross-Sectional Analysis,Cross-Sectional Study,Cross-Sectional Surveys,Disease Frequency Survey,Prevalence Study,Studies, Cross-Sectional,Studies, Prevalence,Study, Cross-Sectional,Study, Prevalence,Survey, Cross-Sectional,Survey, Disease Frequency,Surveys, Cross-Sectional
D004185 Disability Evaluation Determination of the degree of a physical, mental, or emotional handicap. The diagnosis is applied to legal qualification for benefits and income under disability insurance and to eligibility for Social Security and workmen's compensation benefits. Disability Evaluations,Evaluation, Disability,Evaluations, Disability
D005260 Female Females

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