Table 1.
Sample Characteristics for Children with Seizures and Siblings
| Total Sample | Prior Seizures | No Prior Seizures | |
|---|---|---|---|
| Children with Seizures | n = 300 | n=107 | n=193 |
| Age in Years at Baseline (Mean [SD]) | 9.75 (2.58) | 9.50 (2.41) | 9.89 (2.67) |
| IQ (Mean [SD]) | 102.93 (13.24) | 102.33 (14.15) | 103.27 (12.73) |
| Sex (% Female) | 51.3 | 65.4 | 43.5 |
| Race (% Caucasian/Non-Hispanic) | 85.7 | 81.3 | 88.1 |
| Multiple Seizure Types (%) | 8.4 | 12.1 | 6.2 |
| Primary Seizure Type (%) | |||
| Generalized Non-Absence | 24.3 | 21.5 | 25.9 |
| Generalized Absence | 13.3 | 23.4 | 7.8 |
| Simple Partial | 7.0 | 8.4 | 6.2 |
| Complex Partial | 21.7 | 17.8 | 23.8 |
| Partial w/Secondary Generalization | 32.0 | 28.0 | 34.2 |
| Undetermined | 1.7 | 0.9 | 2.1 |
| Primary Epileptic Syndrome (%) | |||
| Generalized Idiopathic Absence | 12.7 | 22.4 | 7.3 |
| Generalized Idiopathic Tonic Clonic | 17.3 | 14.0 | 19.2 |
| Generalized Symptomatic/Cryptogenic | 1.7 | 0.9 | 2.1 |
| Partial Idiopathic | 18.7 | 14.0 | 21.2 |
| Partial Cryptogenic | 37.3 | 36.5 | 37.8 |
| Partial Symptomatic | 7.0 | 8.4 | 6.2 |
| Undetermined | 5.3 | 3.7 | 6.2 |
| Recurrent seizure during 36 months (%Yes) | 76.0 | 89.7 | 68.4 |
| Persistent seizures during 36 months (% Yes) | 13.0 | 20.6 | 9.3 |
| Treatment with medication during 36 months (% Yes) | 74.0 | 87.9 | 66.3 |
| All of the time | 45.0 | 55.2 | 39.4 |
| Some of the time | 29.0 | 32.7 | 26.9 |
| None of the time | 26.0 | 12.1 | 33.7 |
| Siblings | n = 196 | ||
| Age in Years at Baseline (Mean [SD]) | 10.04 (3.64) | ||
| IQ (Mean [SD]) | 104.98 (12.59) | ||
| Sex (% Female) | 52.0 | ||
| Race (% Caucasian/Non-Hispanic) | 87.2 |