0 | No depressive symptoms | No manic symptoms | No panic attacks |
1 | Depressed mood lasting at least 2 weeks | Irritable or expansive mood lasting at least 1 week | Limited symptom attacks (less than 4 physical symptoms) |
2 | Depressed mood and/or anhedonia lasting at least 2 weeks plus minimum 1 other associated symptom (eg, feelings of worthlessness, suicidal ideation) | Irritable or expansive mood lasting minimum 1 week plus maximum 2 associated symptoms—3 if irritable mood (eg, flight of ideas, inflated self-esteem) | Full symptom attacks (more than 4 physical symptoms) of limited frequency (less than 4 in 1 month) |
3 | Major depressive episode (depressed mood and/or anhedonia plus at least 4 other associated symptoms) | Manic episode (irritable or expansive mood plus at least 3 associated symptoms—4 if irritable mood) | Full panic disorder (full symptom attacks occurring more than 4 times in 1 month) |