Table 1.

Percentage of Tourette Syndrome Subjects by Co-Morbid Diagnoses

Co-morbid diagnosis	Percent
Attention-deficit/hyperactivity disorder	66.67
Social phobia	33.33
Generalized anxiety disorder	25.00
Obsessive compulsive disorder	25.00
Oppositional defiant disorder	25.00
Pervasive developmental disorder/other	16.67
Anxiety disorder NOS	8.33
Conduct disorder	8.33
Dysthymia	8.33

Reported co-morbid diagnoses and percentage occurrence in study sample (n = 12).

NOS = not otherwise specified.