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为确定早产儿(PTB)和小于胎龄儿(SGA)对5岁时智力发育的影响,对459例儿童进行检测,其母亲为黑人,低经济收入,处于SGA危险人群。产前随诊根据早期B超检查确定胎龄划分为足月适于胎龄儿(AGA),足月SGA,小于同胎龄体重第10百分位,和<34周的PTB。被测试儿童平均年龄5.5±0.5岁,用WPPSI-R智商(IQ)测定。以IQ<75定为智力迟钝(MR)。应用单变量和多变量分析修正母亲年龄,教育程度,阅读水平,家庭环境,儿童性别和学龄前教育情况。
To determine the impact of PTB and SGA on mental development at the age of 5 years, 459 children were tested and their mothers were black with low income and were at risk for SGA. Prenatal follow-up The gestational age, as determined by early B-ultrasound, was divided into full-term gestational age (AGA), full-term SGA, tenth percentile of gestational age, and <34 weeks of PTB. The average age of the children tested was 5.5 ± 0.5 years and was measured using WPPSI-R IQ (IQ). IQ <75 as mental retardation (MR). Univariate and multivariate analyzes were performed to correct maternal age, education, reading proficiency, family environment, child gender and pre-school education.