Figure 1.

The age distribution among the three groups of diagnosis that were analyzed in this study: (A) Patients with epilepsy of unknown etiology; (B) Patients with genetic-metabolic diseases (including patients with genetically determined epilepsy); (C) Patients with neurodevelopmental disorders (including patients with autism spectrum disorder, patients with developmental delay, and patients with non-syndromic intellectual disability). For each group, the distribution of patients with behavioral deterioration is also reported. LEGEND: y = years; ASD = autism spectrum disorder; NS-ID = non syndromic intellectual disability.