The validity of child and adolescent depression diagnoses in the Danish psychiatric central research register
Published 25 January 2021 A nationwide random sample of 500 children (6–17 years) diagnosed with depression between 1996 and 2016 was identified in the DPCRR. Psychiatric hospital records were reviewed and rated using an online checklist. The primary outcome was whether depressive symptoms and functional impairment documented in hospital records justified a depressive disorder diagnosis based on I