Objective:

To investigate associations between EEG abnormalities and selected clinical characteristics in children with ASD.

Key Findings:

• No significant associations were found between epilepsy diagnosis or EEG abnormalities and speech delay, aggression, sensory integration disorders, or motor deficits after adjusting for age.

Interpretation:

Non-paroxysmal EEG abnormalities may correlate with sleep disorders in children with ASD, while comorbid epilepsy is linked to greater intellectual disability severity.

Limitations:

• The study is limited to a single center, which may affect the generalizability of the findings.
• Broad categorical EEG patterns did not reveal significant associations with most clinical manifestations.

Conclusion:

More granular EEG analysis may detect subtle correlations not apparent with simplified classification approaches.