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为调查丹麦城市居民12年期间初发脑卒中的发病率,设计了两次健康体检,中间间隔5年,从卒中发病率的3个重要方面,即发病率的时间变化趋势、年龄和性别作了分析,参试者与非参试者进行对照。研究对象随机选自哥本哈根市一个区的19688名≥20岁的丹麦白人,多数为中年,在1976年3月1日至1978年3月31日作首次体检,1981年4月6日至1983年9月7日间作第2次体检。其中15499人至少进行了1次检查,被确定为参试者,第二次体检验证前5年随访期的新发脑血管病。共随防12年,发现脑卒中848例,657例为参试者,191
To investigate the incidence of stroke in denizens living in Denmark for a period of 12 years, two physical exams were designed at intervals of 5 years. Three important aspects of the incidence of stroke, namely, the time trend of morbidity, age and sex The analysis, participants and non-participants were compared. The subjects were randomly selected from 19,688 Danish whites aged 20 years or older in a district of Copenhagen, most of them middle-aged, from March 1, 1976 to March 31, 1978 for the first physical examination, and from April 6, 1981 to 1983 September 7, 2007 for the second physical examination. Of these, 15,499 were tested at least once, identified as participants, and newer CVDs at the 5-year follow-up period prior to the second physical exam. With a total of 12 years of prevention, 848 cases of stroke were found and 657 cases were tested, 191