Sub Types and Inattentional Impairment

By the eighth year, was around 75 %. We see more fluctuation in the two other sub groups. And looking particular at the p i type, so that by the end of the evaluation, by the eighth year,. about 55% still were diagnosile as having a d h d. So what we're seen here is that the sub type designations are somewhat unstable. But it's important to recognize that the kinds of impairment associated with inattention are quite different from the ones associated with hyper impulsivity.