Table 1.

Epilepsy syndromes in the cohort at recruitment

Syndrome	Number
Epileptic encephalopathy (EE)
Lennox-Gastaut syndrome	9
Dravet syndrome	3
West syndrome	2
Myoclonic astatic epilepsy	2
Epilepsy of infancy with migrating focal seizures	2
Ohtahara syndrome	1
Epilepsy with continuous spikes and waves during sleep	1
Unclassified EE with onset in infancy	5
Genetic generalised epilepsy with intellectual disability (GGE-ID)
Myoclonic epilepsy	3
Progressive myoclonic epilepsy	1
Other GGE-IDs	18
Non-lesional focal epilepsies	22
Unclassified epilepsy	2
Unknown	9
Total	80