. Author manuscript; available in PMC: 2023 Mar 2.

Published in final edited form as: Dev Med Child Neurol. 2014 Nov 3;57(4):385–392. doi: 10.1111/dmcn.12621

Table II:

Performance of children with Noonan syndrome and unaffected siblings on behavioral measures

Measure	Noonan syndrome			Unaffected siblings			Mean difference (95% CI)
Measure	n	Mean (SD)	Clinical impairment (≤2.0SD below mean) (%)	n	Mean (SD)	Clinical impairment (≤2.0SD below mean) (%)	Mean difference (95% CI)
Intellectual Functioning (WASI)
Full-scale IQ	32	92.9 (14.6)	6	16	109.8 (8.2)	0	−16.9 (–24.8 to −9.0)
Verbal IQ	32	94.9 (14.7)	6	16	109.6 (8.7)	0	−14.7 (–22.7 to −6.7)
Performance IQ	32	91.9 (14.2)	6	16	107.4 (11.5)	0	−15.5 (–23.7 to −7.2)
Attention Tests (TEA-Ch)
Score!	29	6.8 (3.4)	28	14	9.2 (3.7)	14	−2.4 (–4.7 to −0.1)
Code Transmission	29	7.1 (3.2)	24	14	9.8 (2.5)	7	−2.7 (–4.7 to −0.8)
Walk, Don’t Walk	29	5.0 (2.7)	45	14	8.2 (3.2)	7	−3.2 (–5.1 to −1.4)

WASI, Wechsler Abbreviated Scale of Intelligence (normative standard score mean=100, SD 15);¹³ TEA-Ch, Test of Everyday Attention for Children (normative scaled score mean=10, SD 3).¹⁴