California Autism Prevalence Trends from 1931 to 2014 and Comparison to National ASD Data from IDEA and ADDM.

J Autism Dev Disord · 2018 · PMC6223814 · PMID 29974300

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a clear trendno p-value reported

Differences Among States and Data Networks Previous studies based on assemblages of autism data from different places, reflecting different criteria, and grouped into irregular time or age bins have been unable to confirm a clear trend in the data.

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