| project | Number of cases | Composition ratio (%) | |
| Age at first onset | 0~ | 59 | 21.85 |
| 5~ | 78 | 28.89 | |
| 15~ | 51 | 18.89 | |
| 25~ | 54 | 20.00 | |
| 45~ | 17 | 6.30 | |
| 60~ | 11 | 4.07 | |
| Disease duration (years) | 0~ | 143 | 52.96 |
| 6~ | 50 | 18.52 | |
| 11~ | 25 | 9.26 | |
| 16~ | 8 | 2.96 | |
| 20~ | 44 | 16.30 | |
| Seizures (times/year) (Note: data are missing, n = 267) | 0 | 66 | 24.72 |
| 1 ~ 2 | 81 | 30.34 | |
| 3 ~ 5 | 40 | 14.98 | |
| 5 and above | 80 | 29.96 | |
| Concomitant disease (Type) | 0 | 223 | 82.59 |
| 1 | 40 | 14.81 | |
| 2 | 5 | 1.85 | |
| 3 and above | 2 | 0.74 | |