Table I.
Demographic and clinical data of the three groups.
| Variables | ECO group | E-AED I group | E-AED II group | P-value |
|---|---|---|---|---|
| Males (%) | 40 | 45 | 40 | >0.05 |
| Age (years) | 15.15±7.795 | 12.70±5.536 | 13.95±5.744 | >0.05 |
| BMI (kg/m2) | 18.67±2.47 | 18.36±1.84 | 19.98±5.31 | >0.05 |
| Disease course (years) | 3.34±3.12 | 2.35±1.43 | 2.83±2.22 | >0.05 |
| Blood VPA concentration (μg) | 55.84±4.60 | 56.15±4.57 | >0.05 |
Continuous variables are expressed as the mean ± SD. Categorical variables are expressed as rate. BMI, body mass index; E-AED I, duration of VPA administration <3 months; E-AED II, duration of VPA administration >3 months; ECO, without VPA; VPA, sodium valproate.