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六城市框架人口共940,372人,整群随机抽样选取65,067人为调查样本。实际调查63,195人,占样本人群的97.1％。现患调查以1983年1月1日零点为患病时点,逐户家访。87.3％调查对象当场接受面询,12.7％由直系亲属代答。为了保证资料的可靠性,除有统一的具有高度敏感的调查表(由世界卫生组织提供)和统一的诊断标准外,各调查组均有神经科或受过神经
The population of the six urban frameworks was 940,372, of which 65,067 were randomly selected from the entire cluster. The actual survey of 63,195 people, accounting for 97.1% of the sample population. The prevalence survey at 0:00 on January 1, 1983 when the point of illness, household-by-home visit. 87.3% of the respondents were interviewed on the spot, and 12.7% were immediate family members. In order to ensure the reliability of the data, all the survey teams have neurological or neurological diseases except for the unified highly sensitive questionnaire (provided by the World Health Organization) and the unified diagnostic criteria