Table 5.
EEG findings of the patients.
| Total | LGS with MRC I deficiency | LGS without MRC I deficiency | p-value | |
|---|---|---|---|---|
| (n = 68) | (n = 30) | (n = 38) | ||
| Initial, n (%) | ||||
| Normal | 0 | 0 | 0 | - |
| Slow and disorganized | 0 | 0 | 0 | |
| Focal or unilateral sharp | 0 | 0 | 0 | |
| Multifocal sharp with GSSW and GPFA | 68 | 30 | 38 | |
| 1-year follow-up, n (%) | ||||
| Normal | 0 | 0 | 0 | 0.031 |
| Slow and disorganized | 0 | 0 | 0 | |
| Focal or unilateral sharp | 6 | 0 | 6 | |
| Multifocal sharp with GSSW and GPFA | 60 | 30 | 32 | |
| Last follow-up, n (%) | ||||
| Normal | 0 | 0 | 0 | < 0.001 |
| Slow and disorganized | 3 | 1 | 2 | |
| Focal or unilateral sharp | 23 | 2 | 21 | |
| Multifocal sharp with GSSW and GPFA | 42 | 27 | 15 | |
EEG, electroencephalogram; LGS, Lennox–Gastaut syndrome; MRC I, mitochondrial respiratory chain complex I; GSSW, generalized slow spike and wave; GPFA, generalized paroxysmal fast activity.