Division of Neonatology, Pediatric Intensive Care and Neuropediatrics, Department of Pediatrics and Adolescent Medicine, Medical University Vienna, Vienna, Austria,
Division of Neonatology, Pediatric Intensive Care and Neuropediatrics, Department of Pediatrics and Adolescent Medicine, Medical University Vienna, Vienna, Austria.
Neonatology. 2019;116(1):29-36. doi: 10.1159/000497138. Epub 2019 Mar 19.
The Bayley Scales of Infant and Toddler Development, third edition (Bayley-III) are widely used to assess the development of children born preterm. However, it is still unclear whether US norms are adequate for use in other populations. In 2014, the German version of the Bayley-III with German norms was published.
We aimed to compare the performance of very-preterm infants at one, two, and three years of age using the German versus US norms of the Bayley-III.
All children born prior to 32 weeks of gestational age during 2012 and 2015 and taking part in the follow-up program of the Medical University of Vienna were assessed and scored according to both German and US norms by two expert clinical psychologists at the age of one, two, and three years of age.
In total, 843 tests were obtained from 450 children. When looking at scaled scores for cognitive, language, and motor outcomes, preterm children achieved significantly lower scores in nearly all subtests with the German as compared to the US norms. In addition, the proportion of impaired children scoring < 1 standard deviation (SD) and < 2 SD below the norm was significantly higher in nearly all subtests when using the German compared to the US norms (p < 0.05).
Applying German and US norms of the Bayley-III leads to different outcomes in very-preterm children, and these differences are statistically significant and clinically relevant. Thus, comparisons of outcomes of very-preterm children using culturally specific norms are problematic, and these findings have to be considered.
贝利婴幼儿发展量表第三版（Bayley-III）被广泛用于评估早产儿的发育情况。然而，美国的标准是否适用于其他人群尚不清楚。2014 年，具有德国标准的 Bayley-III 德语版发布。
我们旨在比较使用 Bayley-III 的德国和美国标准评估非常早产儿在 1、2 和 3 岁时的表现。
2012 年至 2015 年期间，所有胎龄小于 32 周的婴儿都参加了维也纳医科大学的随访项目，并由两位专家临床心理学家根据德国和美国的标准进行评估和评分，在 1、2 和 3 岁时进行评估。
总共从 450 名儿童中获得了 843 项测试。当查看认知、语言和运动结果的量表评分时，与美国标准相比，早产儿在几乎所有子测试中都取得了明显较低的分数。此外，当使用德国标准时，几乎所有子测试中得分低于 1 个标准差（SD）和低于正常水平 2 个标准差（SD）的受损儿童比例明显更高（p < 0.05）。
在非常早产儿中应用 Bayley-III 的德国和美国标准会导致不同的结果，这些差异具有统计学意义和临床相关性。因此，使用特定文化的标准比较非常早产儿的结果存在问题，这些发现必须得到考虑。
