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Table 1 Baseline characteristics of the patients at the time of KD initiation

From: Efficacy and tolerability of ketogenic diet therapy in 55 Chinese children with drug-resistant epilepsy in Northwest China

Baseline characteristics Patients at the time of KD initiation
Age at epilepsy onset (months)
Age at KD initiation (months)
Duration of seizure onset to KD initiation (months)
Number of AEDs failed before the initiation of KD
Mean:14.6, median: 6.0 [3.5-10.0]
Mean:28.97, median:14.1 [9.5-44.0]
Mean:14.4, median:8.1 [4.1-20.0]
Mean:4.8 ± 1.8
Male/female (n)
Global developmental delay (n,%)
2.67:1 (40/15)
45, 81.8%
Number of AED (n,%)
  ≤ 2 15, 27.3%
  > 2 40, 72.7%
Number of seizure types (n,%)
 1 25, 45.5%
  ≥ 2 30, 54.5%
Seizure frequency (n,%)
≤5/day 17, 30.9%
> 5/day 38, 69.1%
Etiology
 Genetic (n,%) 12, 21.8%
 Structural (n,%) 26, 47.3%
 Unknown (n,%) 17, 30.9%
Electroclinical syndromes(41,74.5%)
 West syndrome (n,%) 32, 58.2%
 Dravet syndrome (n,%) 3, 5.5%
 Lennox-Gastaut syndrome (n,%) 2, 3.6%
 Ohtahara syndrome (n,%) 2, 3.6%
 Doose syndrome (n,%) 1, 1.8%
 Early myoclonic encephalopathy in infants (n,%) 1, 1.8%