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Adult outcomes of attention-deficit/hyperactivity disorder (ADHD) diagnosed in childhood are inconclusive. Now, long-term follow-up data from a prospective study of children with combined-type ADHD are reported in two studies (NEJM JW Pediatr Adolesc Med Aug 2009 and J Am Acad Child Adolesc Psychiatry 2009; 48:484).
In one study, data were collected from 476 participants and age- and sex-matched controls at 12, 14, and 16 years following initiation of the study (mean age, 25 years). Symptom persistence was assessed using DSM-5 symptom counts from a standardized instrument. Functional outcomes in various domains (e.g., educational, occupational) were measured with standardized instruments and demographic data.
Three patterns of outcomes were f…