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J Child Neurol. 2002 Sep;17(9):681-8.

Prospective long-term follow-up of patients with pervasive developmental disorders.

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  • 1Department of Pediatrics, University of North Dakota School of Medicine and Health Sciences, Grand Forks, ND, USA. laburd@medicine.nodak.edu

Abstract

We conducted a 12-year prospective study of children with pervasive developmental disorders from North Dakota. In a prospective longitudinal follow-up study, of 59 patients, we found 52 patients with pervasive developmental disorders (88%). Ten (17%) declined to participate. We collected data on 42 (71%) of the original cohort. Of the 42 subjects, 1 died (1.7%). The other 41 were followed up for 492 person-years. Severity scores for the Diagnostic and Statistical Manual of Mental Disorders-III-Revised (DSM-III-R) declined 20% and for DSM-IV 23%. Global Assessment of Functioning improved 19%, and the average number of comorbidities decreased 45%. Thirty-seven percent of patients improved in all four measures, whereas only 5% improved in only one measure. Pervasive developmental disorders are developmental disorders with a long-term course of limited improvement for most patients. Male subjects demonstrated substantially more variability in improvement but, overall, demonstrated more improvement than female subjects.

PMID:
12503645
[PubMed - indexed for MEDLINE]
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