Prenatal Folic Acid Supplements and Offspring's Autism Spectrum Disorder: A Meta-analysis and Meta-regression.

J Autism Dev Disord · 2022 · PMC8813730 · PMID 33743119

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an increasing trendno p-value reported

A recent meta-analysis indicated that the prevalence of ASD in China was 26.5/10,000, which demonstrated an increasing trend (Liu et al., 2018 ) although it was significantly lower than the reported prevalence abroad.

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may be significantno p-value reported

The present study explored whether countries and supplementary timings may be significant heterogeneity sources from meta-regression analyses (Table 3 ).

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