以上海市区某铅污染区189名儿童为研究对象,在单因素分析的基础上,用多元逐步回归分析和协方差分析相结合的多因素统计分析的方法控制家庭、社会变量(掺杂因素),对铅与儿童智能的关系进行再研究。结果表明,即便考虑了掺杂因素的作用,高...以上海市区某铅污染区189名儿童为研究对象,在单因素分析的基础上,用多元逐步回归分析和协方差分析相结合的多因素统计分析的方法控制家庭、社会变量(掺杂因素),对铅与儿童智能的关系进行再研究。结果表明,即便考虑了掺杂因素的作用,高铅儿童的总 IQ、操作 IQ 和语言 IQ 仍然明显低于相对低铅儿童,说明环境铅污染确可对儿童智能发育产生消极影响。展开更多
Fifty-three patients with congenital heart disease were follwed up 14 to 57months after cardiac surgery with profound hypothermia and circulatory arrest.Meanintelligence quotient(IQ)was 88.6±16.1The incidence of ...Fifty-three patients with congenital heart disease were follwed up 14 to 57months after cardiac surgery with profound hypothermia and circulatory arrest.Meanintelligence quotient(IQ)was 88.6±16.1The incidence of psychological underdevelopedwas 13.2(7/53),higher than normal children population,The high incidence may be attri-buted to poor preoperative intellecutual development.The circulatory arrest time weremore than 60 minutes in 9 cases,41-60 minutes in 32 cases and less than 40 minutes inanother 12 cases.The IQ of these three groups were 84.8±11.9,86.2±15.7and 95.3±19.2respctively and incidence of psychological underdeveloped were 11.1%,15.6% and 8.5%respectively,No significant difference existed between groups.The time of circulatory ar-rest also had no obvious correlation with IQ.展开更多
文摘以上海市区某铅污染区189名儿童为研究对象,在单因素分析的基础上,用多元逐步回归分析和协方差分析相结合的多因素统计分析的方法控制家庭、社会变量(掺杂因素),对铅与儿童智能的关系进行再研究。结果表明,即便考虑了掺杂因素的作用,高铅儿童的总 IQ、操作 IQ 和语言 IQ 仍然明显低于相对低铅儿童,说明环境铅污染确可对儿童智能发育产生消极影响。
文摘Fifty-three patients with congenital heart disease were follwed up 14 to 57months after cardiac surgery with profound hypothermia and circulatory arrest.Meanintelligence quotient(IQ)was 88.6±16.1The incidence of psychological underdevelopedwas 13.2(7/53),higher than normal children population,The high incidence may be attri-buted to poor preoperative intellecutual development.The circulatory arrest time weremore than 60 minutes in 9 cases,41-60 minutes in 32 cases and less than 40 minutes inanother 12 cases.The IQ of these three groups were 84.8±11.9,86.2±15.7and 95.3±19.2respctively and incidence of psychological underdeveloped were 11.1%,15.6% and 8.5%respectively,No significant difference existed between groups.The time of circulatory ar-rest also had no obvious correlation with IQ.
