摘要
本文对我省24 858名0~14岁儿童进行了智力低下流行学调查。全省城乡儿童总患病率为1.35%。病因中,出生前因素占24.22%(遗传病占14.53%);出生时因素以产时窒息等为主,占13.84%;出生后因素以中枢神经系统受损和社会文化落后为主,占29.41%。原因不明占32.54%。文中提出了智力低下的“三级预防”系统的建议。
We sampled and investigated 24 858 children in the four cities and six countysides of Heilongjiang province according to the research programs made by national cooperation group of 'the investigation of mental retardation of the children between 0~14 years old in China' . 289 mentally retarded children were found in this investigation. The prevalence rate of the disease in the cities and the countryside was 0.78% (102/13 101) and 1.59% (187/11 757) respectively. After the weighted calculation was carried out according to ratio of the children population of cities to that of countrysides, the prevalence rate of the disease in all Heilongjiang province including city and countryside was 1.35%. The results showed that the prevalence rate of mental retardation of the children in the cities and the countrysides of Heilongjiang province was higher than that of other provinces in our nation.
出处
《哈尔滨医科大学学报》
CAS
1992年第6期470-475,共6页
Journal of Harbin Medical University
基金
国家"七五"重点科技攻关项目
黑龙江省科委资助课题
关键词
智力低下
发病率
病因
Mental retardation
Child
Epidemiology
Genetic factor
Prevention