| EEG changes | Seizure (no. = 22) | No Seizure (no. = 28) | Test value* | P-value | Sig. | |||
| No. | % | No. | % | |||||
| EEG | Normal | 4 | 18.2% | 18 | 64.3 | 4.539 | 0.033 | S |
| Abnormal | 18 | 81.8% | 10 | 35.7% | ||||
| Background | Low voltage | 9 | 40.9% | 4 | 14.3% | 4.539 | 0.033 | S |
| Normal | 13 | 59.1% | 24 | 85.7% | ||||
| Discharges | No | 4 | 18.2% | 18 | 64.3% | 11.777 | 0.008 | HS |
| Polyspikes | 2 | 9.1% | 0 | 0.0% | ||||
| Sharp waves | 7 | 31.8% | 4 | 14.3% | ||||
| Spikes | 9 | 40.9% | 6 | 21.4% | ||||
| Site | Centroparital | 9 | 40.9% | 3 | 10.7% | 11.758 | 0.008 | HS |
| Frontotempotal | 6 | 27.3% | 4 | 14.3% | ||||
| Multifocal | 3 | 13.6% | 3 | 10.7% | ||||
| No | 4 | 18.2% | 18 | 64.3% | ||||
| Side | LF | 9 | 40.9% | 4 | 14.3% | 10.869 | 0.004 | HS |
| No | 4 | 18.2% | 18 | 64.3% | ||||
| RT | 9 | 40.9% | 6 | 21.4% | ||||