Table 2. Diagnoses of patients.

Diagnoses	N (male/female)
Patients with depression as the main diagnosis
First time depression	6 (4/2)
Recurrent depression	27 (11/16)
Bipolar depression	8 (3/5)
Patients with depression secondary to other diagnoses
Alzheimer's dementia	10 (4/6)
Vascular dementia	2 (1/1)
Other organic mental disorders	2 (1/1)
Psychotic disorders	1 (1/0)
Anxiety disorders	5 (1/4)
Patients with no depressive symptoms
Alzheimer's dementia	10 (7/3)
Vascular dementia	4 (2/2)
Other dementia	6 (1/5)
Other organic mental disorders	3 (1/2)
Psychotic disorders	11 (2/9)
Bipolar disorder, manic episode	2 (0/2)
Anxiety disorders	2 (2/0)
Somatoform disorders	1 (0/1)