Table-II.
Factors for preoperative seizure due to CMs in central nervous system (52 cases).
| Features | E-Group(n=31) | NE-Group(n=21) | p value |
|---|---|---|---|
| Mean age at onset | 31.3 | 34.0 | 0.473 |
| Family history of epilepsy | 1 | 0 | 0.406 |
| Pre-, peri- and post-natal factors | 14 | 3 | 0.020 |
| Complication of pregnancy | 1 | 0 | 0.406 |
| Low gestational age | 3 | 0 | 0.142 |
| Low birth weight | 10 | 1 | 0.017 |
| Complication of delivery | 1 | 1 | 0.798 |
| Febrile seizure | 3 | 1 | 0.514 |
| Psychomotor retardation | 0 | 0 | - |
| History of encephalitis | 1 | 0 | 0.406 |
| History of head trauma | 6 | 1 | 0.130 |
| History of operation | 3 | 4 | 0.331 |
| History of tobacoo addicion | 11 | 7 | 0.873 |
| History of alcohol addiction | 10 | 9 | 0.436 |
| Multiplevs. single lesion | 2 | 0 | 0.235 |
| Supratentorialvs. infratentorial | 31 | 12 | - |
| Cortical vs. subcortical | 24 | 5 | 0.025 |
| Frontal lobe | 7 | 5 | 0.918 |
| Parietal lobe | 7 | 2 | 0.222 |
| Temporal lobe | 17 | 3 | 0.003 |
| deep brain area | 0 | 3 | 0.030 |
| Side (right vs. left) | 14/17 | 6/15 | 0.599 |
| Size (diameter≥2.5cm) | 12 | 10 | 0.084 |