Table 1. Demographic and neuropsychological characteristics of patients and control groups.

	Children and adolescents		Adults
	NF1, n = 15	Controls, n = 24	NF1, n = 13	Controls, n = 15
Age (years)
Mean ± SD	11.7±2.9	12.0±2.3	33.1±4.9	32.7±5.6
Range	7–17	7–16	25–42	26–44
Gender ratio
Female/Male	9/6	13/11	13/0	15/0
Full-scale IQ (WISC-III)
Mean ± SD	96.9±16*	113.0±19.7	-	-
Raven score
Mean ± SD	-	-	6.7±2.4	7.8±2.9

Significant differences between NF1 patients and controls are indicated by *p<0.05.