Mapping autism in Egypt: population-based insights into prevalence, risk determinants, and severity among children aged 1-12 years.
Ammal M Metwally, Ebtissam M Salah El-Din, Samia M Sami and 23 others
PMID 40442748WHAT IT FOUND
This national survey of Egyptian children found an autism prevalence of 1.1%.
Boys were four times more likely to be diagnosed than girls. Key risk factors included neonatal complications like convulsions and low birth weight, as well as urban residency and lower parental education.
Key findings
01The overall prevalence of Autism Spectrum Disorder (ASD) among Egyptian children aged 1-12 years was 1.1%.
02Neonatal complications were strong predictors of ASD, with children experiencing convulsions after birth having more than four times the odds of developing ASD compared to those without.
03Boys had 1.69 times greater odds of being diagnosed with ASD compared to girls.
STILL TO COME
How it was doneWhat they foundWhat it means for SLPs
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What it does not show
The cross-sectional design prevents causal inference regarding the identified risk factors. The Autism Diagnostic Observation Schedule (ADOS-2), considered a gold standard, was not used due to cost and time constraints, relying instead on CARS and DSM-5 clinical judgment. Environmental risk factors were assessed via parent recall and observation without laboratory verification of toxin exposure. The study excluded children with known genetic disorders (e.g., Down syndrome) or significant sensory/motor impairments, limiting generalizability to those subgroups.
Declared interests
The study was funded by the Academy of Scientific Research and Technology (Egypt) and the National Research Centre Egypt.
The easy way to misread this
Do not interpret the associations with environmental factors (like poor house painting) or urban residency as direct causes of autism. These findings may reflect disparities in diagnostic access, awareness, or reporting bias rather than true biological risk differences.