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目的研究早期干预对早产儿智能发展的影响。方法将112例早产儿随机分为十预组和对照组，其中56例出生时就开始接受为期二年的早期干预。结果干预组早产儿智能发育指数（MD）和运动发育指数（PDI）都明显高于对照组，差异有显著意义。结论早期干预是改善早产儿智能的有效方法。
Objective To study the effect of early intervention on the intelligent development of premature infants. Methods One hundred and twelve premature infants were randomly divided into ten pre-treatment groups and control group. 56 of them started their early intervention after two years at birth. Results The preterm infants in the intervention group had significantly higher intelligence development index (MD) and motor development index (PDI) than the control group, the difference was significant. Conclusion Early intervention is an effective way to improve the intelligence of premature infants.