Department of Pediatrics, University of North Carolina, Chapel Hill, NC, USA.
Department of Psychology and Neuroanatomy, Boston University, Boston, USA.
J Perinatol. 2018 Jul;38(7):908-916. doi: 10.1038/s41372-017-0020-8. Epub 2018 May 29.
To describe the accuracy of the Bayley Scales of Infant Development-Second Edition (BSID-II) Mental Development Index (MDI) at 2 years of age for prediction of cognitive function at school age of children born extremely preterm.
Study participants were enrolled in the Extremely Low Gestational Age Newborn Study between 2002 and 2004. Two-thirds of surviving children (n = 795) were assessed at 2 years with the BSID-II and at 10 years with an intelligence quotient (IQ) test. We computed test characteristics for a low MDI (<70), including predictive value positive.
Almost two-thirds of children with a low MDI had a normal IQ (≥ 70) at 10 years. Concordance between MDI and IQ was highest among children with major motor and/or sensory impairment, and when MDI was adjusted for gestational age.
Most children born extremely preterm with low BSID-II MDI at 2 years have normal intelligence at school age.
描述贝利婴幼儿发展量表第二版（BSID-II）的精神运动发育指数（MDI）在预测极早产儿儿童学龄期认知功能方面的准确性。
研究参与者于 2002 年至 2004 年期间参加了极低胎龄新生儿研究。三分之二的存活儿童（n=795）在 2 岁时接受 BSID-II 评估，在 10 岁时接受智商（IQ）测试。我们计算了低 MDI（<70）的测试特征，包括阳性预测值。
近三分之二 MDI 较低的儿童在 10 岁时 IQ 正常（≥70）。在存在主要运动和/或感觉障碍的儿童以及 MDI 按胎龄调整的情况下，MDI 与 IQ 之间的一致性最高。
大多数在 2 岁时 BSID-II MDI 较低的极早产儿儿童在学龄期智力正常。
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