TABLE 1.

ADHD Subtypes and Comorbid Disorder Rates in 799 Children With ADHD^a

Diagnosis	N	%
ADHD diagnoses (lifetime)a
DSM-IV ADHD, combined type	498	64.8
DSM-IV ADHD, predominantly inattentive type	162	21.1
DSM-IV ADHD, predominantly hyperactive-impulsive type	62	8.1
DSM-III-R ADHD	46	6.0
Other diagnoses (current)
DSM-IV conduct disorder	107	13.7
DSM-IV oppositional defiant disorder	364	46.5
DSM-IV anxiety disorder (generalized anxiety disorder, separation anxiety, or social phobia)	37	4.7
DSM-IV depressive disorder (any)	22	2.8

^a Because data on DSM subtypes for some case subjects are missing, the total is <799.