Epidemiological Study of Autism Spectrum Disorders in Greece for 2021: Nationwide Prevalence in 2-17-Year-Old Children and Regional Disparities.

This study estimated the crude prevalence of autism spectrum disorders (ASD) in Greece in 2021. A retrospective study was conducted for 2021 using data provided for research purposes for the first time by the Greek National Health Service Organization for Healthcare Services Provision (EOPYY) related to the ICD-10 diagnosis codes F84.0-F84.