Table 1 Demographics and clinical factors in 102 adult subjects with 22q11.2DS and 162 unaffected siblings

	Subjects with 22q11.2 DS (n = 102)		Unaffected siblings (n = 162)		Analyses
	n	%	n	%	Statistic	df	p Value
Sex (% male)	44	43.1	77	47.5	χ² = 0.49	1	0.49
Major CHD (%)	39	38.2	0	–	χ² = 72.7	1	<0.0001
Schizophrenia (%)	46	45.1	2	1.2	χ² = 81.0	1	<0.0001

Mean (SD) age at last follow-up of living (years)*	32.7 (9.9)		36.1 (12.2)		t = 2.36	217	0.02