Table 1.

Common phenotypes of the 22q11.2 deletion syndrome in Japanese patients with a schizophrenia-like presentation

	Sugama et al. (in 1999) [7]	Arinami et al. (in 2001) [8]	Ohi et al. (present)
	41-year-old woman	28-year-old woman	48-yearcpaold woman
Age at onset of psychosis	22	15	18
Hallucinations and delusions	+	+	+
Agitation	+	+	+
Developmental delay or learning disabilities	+	−	+
Low current IQ (<70)	63	61	<50
Congenital cardiovascular anomalies	−	−	−
Craniofacial anomalies	+	−	+
Palatal anomalies	−	−	+
Slender tapered figures	NA	+	+
Hypocalcemia	+	+	+
Thrombocytopenia	−	−	+
Enamel hypoplasia	NA	NA	+
Basal ganglia calcification	+	NA	+
Immunodeficiency	−	NA	±

Common phenotypes are shown in italics. NA not available.