highly significantp-value < 0.01
The frequency of seizures per day showed significant decrease after 3 months of KD with p-value < 0.05 (median and IQR were 8 (5–15) and 3 (0–7) respectively) and highly significant decrease after 24 and 36 months of the diet with p-value < 0.01 (median and IQR were 0 (0–3) and 0 (0–1) respectively).