. Author manuscript; available in PMC: 2012 May 15.

Published in final edited form as: Am J Med Genet C Semin Med Genet. 2011 Apr 14;157(2):123–128. doi: 10.1002/ajmg.c.30297

Table III.

Results of IQ testing by means of Wechsler intelligence tests in children and adults with Legius syndrome compared to family members and to children with NF1

Group	Legius syndrome (SD; median; IQR) (n=14)	Unaffected (SD; median; IQR) (n=7)	p-value (unpaired t-test)	NF1 (SD) (n=103)	p-value (unpaired t-test)
FSIQ	101.57 (17.57; 107; 23)	110.28 (15.06; 115; 20)	0.277	88.74 (15.18)	0.01
VIQ/VCI	105.57 (17.38; 105.5;26)	109.86 (12.38; 110; 23)	0.569	90.95 (15.65)	0.003
PIQ/PRI	97.64 (17.87; 100; 24)	108.29 (15.13; 109; 22)	0.193	88.40 (15.62)	0.068

FSIQ: full scale intelligence quotient; VIQ: verbal intelligence quotient; VCI: verbal comprehensive index; PIQ: performance intelligence quotient; PRI: perceptual reasoning index; SD: standard deviation; IQR: interquartile range