Table 1.

Participant demographic characteristics and depression history.

	Total (N = 13)	Responders (n = 9)	Nonresponders (n = 4)	P-value
Age	46.1 (12.1)	47.1 (10.5)	44.0 (16.8)	0.69
Female	77% (10)	67% (6)	100% (4)	0.50
Caucasian race	92% (12)	89% (8)	100% (4)	1.0
Age of depression onset	19.2 (11.3)	19.0 (10.2)	19.7 (15.1)	0.92
No. of depression episodes	2.8 (2.9)	3.2 (3.5)	1.7 (1.0)	0.43
Years of current episode	14.0 (13.7)	14.3 (14.9)	13.4 (12.4)	0.91
Lifetime depression years	23.3 (14.1)	26.7 (14.1)	15.8 (12.7)	0.21
No. of failed medication trials	7.1 (2.5)	6.9 (2.0)	7.7 (3.9)	0.60
History of ECT (yes)	69% (9)	67% (6)	75% (3)	1.0
History of suicide attempt (yes)	23% (3)	11% (1)	50% (2)	0.20
No. of lifetime hospitalizations	2.1 (2.7)	1.8 (1.5)	3.0 (4.8)	0.65
No. of psychotropic medications	4.2 (1.7)	3.8 (1.3)	5.2 (2.2)	0.28
No. of antipsychotic medications	0.6 (0.6)	0.7 (0.7)	0.5 (0.6)	0.69
No. of benzodiazepine medications	0.9 (0.8)	0.8 (0.7)	1.2 (1.0)	0.32