How much impairment is required for ADHD? No evidence of a discrete threshold.
Trine Wigh ArildskovEdmund J S Sonuga-BarkePer Hove ThomsenAnne VirringSøren Dinesen ØstergaardPublished in: Journal of child psychology and psychiatry, and allied disciplines (2021)
There was no clear evidence for a discrete, nonarbitrary symptom severity threshold with regard to impairment. The results highlight the continued need to consider both symptoms and impairment in the diagnosis of ADHD.