Clinical correlates of attention deficit hyperactivity disorder in females were examined in 140 girls with ADHD and compared with 122 girls without ADHD in a study at the Massachusetts General Hospital, Boston. Compared to controls, girls with ADHD manifested more conduct, mood, and anxiety disorders, lower IQ and achievement scores, and more impairment on measures of social, school, and family functioning. Comorbidity findings and severity of intellectual impairments are similar to those in boys with ADHD. 
COMMENT. With the exception of low levels of disruptive behavior, ADHD in girls has a spectrum of symptoms and comorbidity, with mood and anxiety disorders, and impairments in cognitive functioning, school achievement, social and family functioning, similar to those found in boys.