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脑血管病是50岁以上人死亡的常见原因。为了解长沙市居民脑血管病流行规律和动态特征,我们于1987年5～9月进行了脑血管病流行病学抽样调查。该调查点是根据总后卫生部全国脑血管病流行病学调查协作组统一抽样确定的城市采样点。结果如下。 1 材料与方法 1.1 研究人群与样本人群 研究人群是长沙市区居民1076593人,按要求采取多级聚类随机抽样确定样本人群55987人,占全市人口5.2％。实际调查到53049人,男性26652人,女性26397人,实查率94.75％。样本人群散布在研究人群中,性别年龄职业构成纯属自然分布,汉族占99％以上,可以代表全市情况。
Cerebrovascular disease is a common cause of death in people over 50 years of age. To understand the prevalence and dynamics of cerebrovascular disease in Changsha residents, we conducted an epidemiological sampling of cerebrovascular disease from May to September 1987. The survey point is based on the Ministry of Health National Cerebral Vascular Disease Epidemiological Survey collaborative group unified sampling to determine the urban sampling points. The result is as follows. 1 Materials and Methods 1.1 Study Population and Sample Population Study population was 1,076,593 inhabitants of Changsha City. According to the requirements, 55,987 people were sampled randomly by multi-level cluster sampling, accounting for 5.2% of the city’s population. The actual survey to 53049 people, 26652 males, 26397 females, the investigation rate of 94.75%. The sample population is spread among the research population. The sex and age occupational composition is purely natural. Han people account for more than 99% of the population, which can represent the situation of the whole city.