Objective: Experts disagree about the causes and significance of the recent increases in the
prevalence of autism spectrum disorders (ASDs). Limited data on population base rates�…

Background There are no reliable estimates of the prevalences of autism and autism
spectrum disorders (ASD) in China. Objective Combine results across studies to estimate�…

This study aimed to obtain the first national estimate of the prevalence of autism spectrum
disorder (ASD) in Chinese children. We targeted the population of 6 to 12-year-old children�…

BACKGROUND: We sought to describe autism spectrum disorder (ASD) population
characteristics and changes in identified prevalence across 3 time periods. METHODS�…

Aim: To quantitatively examine the influence of study methodology and population
characteristics on prevalence estimates of autism spectrum disorders. Methods: Electronic�…

Background A large part of the variability in rates of autism spectrum disorders (ASD) across
studies is non-aetiologic, and can be explained by differences in diagnostic criteria, case�…

Electronic databases and bibliographies were searched for English language articles on the
prevalence of Autism Spectrum Disorder in Asia over time to estimate prevalence. The�…

Background The prevalence of autism spectrum disorders (ASD) is generally somewhat
lower in countries outside of North America and Europe. While there are culture-specific�…

The prevalence of autism spectrum disorders has been steadily rising. In most parts of the
world, rates as high as 1% are reported, including in the United States. In Israel, previously�…

PURPOSE: The purpose of this study was to determine the prevalence of autism spectrum
disorders (ASD) and associated characteristics among 8-year-old children. METHODS: This�…