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本文以北京市宣武区1987年和1988年261例围产儿死亡为例,对6个影响围产儿低体重发生的因素(产母年龄、孕妇既往妊娠史、胎龄、孕妇妊娠合并症、胎盘和脐带)进行非条件Logistic回归分析.结果表明,影响围产儿低体重主要因素为孕妇妊娠合并症和早产.该文并对孕妇合并妊娠高血压病后发生低体重的概率作了非条件Logistic回归预测模型.
In this paper, 261 cases of perinatal death in Xuanwu District of Beijing in 1987 and 1988 were taken as examples. Six factors influencing low birth weight (maternal age, previous pregnancy history of pregnant women, gestational age, pregnancy complications of pregnant women, placenta and Umbilical cord) were analyzed by non-conditional logistic regression analysis.The results showed that the main factors affecting the low body weight of perinatals were pregnant women with pregnancy complications and premature birth.This paper also predicts the probability of low birth weight after pregnancy-induced hypertension with unconditional Logistic regression model.