Disturbance of activity and attention


attention deficit hyperactivity disorder: A mental disorder characterized by inattention, easy distraction, careless mistakes and avoidance of tasks that require sustained mental focus. These behaviors can lead to maladaptive consequences in the affected individual's life.

Data source
FinnGen phenocode F5_ADHD
Hospital Discharge registry ICD-10: F900
Cause of Death registry ICD-10: F900
Level in the ICD-hierarchy 3
First defined in version DF2
DOID 1094
GWAS catalog 0003888
MESH D001289
SNOMED CT 406506008

Key figures

Sex All Female Male
Number of individuals 539 254 285
Unadjusted prevalence (%) 0.31 0.26 0.38
Mean age at first event (years) 25.79 29.67 22.33
Case fatality at 5-years (%) 0.56 0.39 0.7

Longitudinal metrics

Sex All Female Male
Median nb. of events per indiv. 3 3 3
Recurrence at 6 months (%) 59.37 61.81 57.19


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