Numbers of patients with rolandic epilepsy within different seizure and antiepileptic drug (AED) categories
| Patients with no risk/potential risk factor CNVs (n) | Patients with risk or potential risk factor CNVs (n) | Total | P values | |
| <10 lifetime seizures | 97 | 14 | 111 | 0.3 |
| >10 lifetime seizures | 52 | 12 | 64 | |
| 0–1 AED | 108 | 14 | 122 | 0.07 |
| ≥2 AEDs | 43 | 13 | 56 |
(Eleven patients are missing seizure frequency and eight missing AED data).