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首页> 外文期刊>Annals of epidemiology >Autism spectrum disorders in preschool-aged children: prevalence and comparison to a school-aged population.
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Autism spectrum disorders in preschool-aged children: prevalence and comparison to a school-aged population.

机译：学龄前儿童的自闭症谱系障碍：患病率和与学龄人口的比较。

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PURPOSE: The purpose of this study was to determine the prevalence and case characteristics of children with autism spectrum disorders (ASDs) among 4-year-olds and to compare findings to previous prevalence estimates for 8-year-olds in the same geographic area. METHODS: South Carolina (SC) has been a participant in the Centers for Disease Control and Prevention's active, population-based, multiple-site ASD surveillance network for 8-year-olds since 2000. The 8-year-old methodology, designed to identify children both with and without prior diagnosis, was applied in SC with modification to include information sources for younger children. RESULTS: The ASD prevalence among 4-year-olds in 2006 was 8.0 per 1000 (95% confidence interval [CI], 6.1-9.9), or 1 in 125. In comparison, ASD prevalence among 8-year-olds in the same geographic area was 7.6 (95% CI, 5.7-9.5) in 2000 and 7.0 (95% CI 5.1-8.9) in 2002. Developmental concerns were documented at earlier ages across time, and while most cases received services, only 20% to 29% received services specific to ASD. CONCLUSIONS: Findings should provide useful information for the planning of health/education policies and early intervention strategies for ASD.
机译：目的：本研究的目的是确定4岁儿童自闭症谱系障碍（ASD）儿童的患病率和病例特征，并将调查结果与以前在相同地理区域内对8岁儿童的患病率估算值进行比较。方法：自2000年以来，南卡罗来纳州（SC）一直是美国疾病控制与预防中心（Centers for Disease Control and Prevention）主动，以人群为基础的多站点ASD监测网络的参与者，该网络针对8岁的孩子。该8岁的方法旨在识别有或没有事先诊断的儿童，在SC中进行了修改，以包括年龄较小的儿童的信息源。结果：2006年4岁儿童的ASD患病率为每千人8.0（95％可信区间[CI]，6.1-9.9）或125分之一。相比之下，同一年龄段的8岁儿童的ASD患病率地理区域在2000年为7.6（95％CI，5.7-9.5），在2002年为7.0（95％CI 5.1-8.9）。随着时间的流逝，对发展的关注已记录在案，尽管大多数情况下获得服务，但只有20％至29 ％收到了针对ASD的服务。结论：研究结果应为规划健康/教育政策和ASD的早期干预策略提供有用的信息。

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