Table 3.

Results from the second stage of assessment in young people with 22q11.2DS and control siblings

ESQ variable	n screening positive/total n (%)	Interview completed? (%)	Diagnosis confirmed by epileptologist? (%)	EEG completed? (%)	Epileptiform discharges? (%)
22q11.2DS
ESQ: epilepsy diagnosis	12/108 (11.1)	6/12 (50)	5/6 (83.3)	2/12 (16.7)	0/2 (0)
ESQ: “any positive excluding epilepsy”	57/96 (59.4)	31/57 (54.4)	16/31 (51.6)	26/57 (45.6)	3/26 (11.5)
Controls
ESQ: “any positive excluding epilepsy”	8/60 (13.3)	4/8 (50)	0/4 (0)	4/8 (50)	0/4 (0)

22q11.2 DS, 22q11.2 deletion syndrome; EEG, electroencephalography; ESQ, Epilepsy Screening Questionnaire.