Table 1.

Clinical findings in patients with FOXP1 deletions and mutations

		Carr et al. [2010]	Horn et al. [2010] Pat. 1	Horn et al. [2010] Pat. 2	Horn et al. [2010] Pat. 3	Hamdan et al. [2010] Pat. A	Hamdan et al. [2010] Pat. B
General features	age of last assessment	41 months	7 years	5.5 years	6 years	15 years	9 years
	sex	male	male	female	male	female	male
	occipitofrontal head
	circumference (SD)	+0.7	+1.2	+0.8	+1.3	n.d.	n.d.
	weight (SD)	−0.2	+0.5	+2.7	+2.5	n.d.	n.d.
	facial gestalt	prominent forehead, ptosis	no dysmorphisms	prominent forehead, frontal hair upsweep	prominent forehead, frontal hair upsweep	n.d.	n.d.
	non-verbal
	performance IQ	n.d.	<50	<50	50	58	48
	gross motor delay	n.d.	+	+	+	+	+
	age at walking	16 months	24 months	36 months	24 months	18 months	20 months
Speech and language	first words at age of combined words at	3.5 years	3.5 years	3.5 years	3.5 years	3 years	6 years
development	age of	n.d.	7 years	5 years	5.5 years	4 years	n.d.
Behavioral anomalies		n.d.	n.d.	+	+	+	+