| Objective: The aim of this study was to investigate the prevalence of stroke in 2126 men and women, and the subtypes of stroke were classified.Methods: We carried out a cross-sectional study in 2126 men and women, 60-95 years of age, drawn from the elderly in Wanshoulu area, Beijing. Neurologic physician identified patients with stroke by symptoms and physical examination. The prevalence of stroke was analyzed and the subtypes were classified. The population was also registered their baseline information and history of some illness including hypertension, heart disease, diabetes. Result: The prevalence of stroke was 16.37% , the rate adjusted by age and sex to Beijing population was 16.31%. Stroke was diagnosed in 348 cases. 4.58% of these cases were classified as hemorrhagic stroke, 46.92% were ischemic stroke and 48.5% were undetermined subtype. There was no difference between male andfemale. Hypertension was diagnosed in 50.05% of the population, CHD was 34.75%, diabetes was 24.24% and PAOD was 15.96%. The prevalence of diseases above in stroke group was higher than non-stroke group.Conclusion: This study showed a high prevalence of stroke in Wanshoulu area in Beijing.Part twoRisk factors for strokeObjective: The purpose was to relate risk factors in elderly population to stroke prevalence.Methods: A structured questionnaire was used and physical examination was carried out. Risk factors measured included baseline information, daily habits, and history of main disease (hypertension, CHD, diabetes, myocardial infarction and dyslipidemias). Other risk factors were investigated such as smoking, alcohol consumption and obesity. Blood samples were taken to measure blood glucose, serum lipid concentrations, fibrinogen and platelet aggregation rate. The relationship between risk factors andstroke was analyzed by logistic regression, x2 test and t test. Results: The risk factors for stroke in men were (according to RR): total cholesterol, hypertension, smoking, obesity, diabetes and PAOD. Differences for hypertension, CHD and smoking were significant between stroke and non-stroke group. Risk factors in women were: CHD, hypertension, diabetes, myocardial infarction, obesity, PAOD and total cholesterol. Differences for CHD, total cholesterol were significant. In men t test showed levels of fibrinogen and platelet aggregation rate of stroke group were higher than non-stroke group. Analysis to ischemic stroke showed risk factors in men included total cholesterol, hypertension, smoking, diabetes, and family disease history. Risk factors in women included CHD, hypertension, diabetes and myocardial infarction, t test showed differences for blood glucose, fibrinogen were significant between two groups in men and TG, W/H ratio in women.Conclusion: In this study, risk factors relate to stroke were hypertension, CHD, diabetes, myocardial infarction, TIA, PAOD, total cholesterol, obesity, smoking, fibrinogen and platelet aggregation rate.Part threeDementia, depression and quality of lifein poststroke populationObjective: To investigate cognitive impairment, depression and quality of life in poststroke population.Method: Structured questionnaires were carried out in the population. The questionnaires included Barthel index, HAD scale,MMSE and SDS scale. The score was analyzed by t test and x test. Results: Overall, 14.66% of poststroke population had scores below 100 by Barthel index. 11.49% of poststroke population suffered from depression. 0.94% of the population had score lowest through 19 by MMSE. The scores of Barthel, MMSE and HAD in stroke group had significant difference to non-stroke group. x2test showed differences were significant for cognitive impairment, depression and anxiety between two groups.Conclusion: There was difference for cognitive level, emotion and quality of life between poststroke and non-stroke group.
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