From: Anxiety disorders in children with Williams syndrome, their mothers, and their siblings: Implications for the etiology of anxiety disorders
Type of anxiety disorder
TD (N = 84)
WS (N = 84)
N
%
Any anxiety disorder
21
25.0
51
60.7*
Separation anxiety
3
3.6
Social phobia
6
7.1
2
2.4
GAD
5
6.0
9
10.7
OCD
0
Specific phobia
14
16.7
44
52.4*