Table 5.

Table 5a: Effects of mood state, illness variables and medication upon PMRG GMV in BPI
		PMRG	GMV
Euthymic versus depressed BPI	R	t (25)=0.29	P=0.77
	L	t (25)=1.13	P=0.27
Age of illness onset	R	r=0.15	P=0.46
	L	r=0.023	P=0.91
Illness duration	R	r=0.015	P=0.94
	L	r=0.14	P=0.49
Lithium	R	t (25)=0.45	P=0.66
	L	t (25)=1.57	P=0.13
Medication load	R	r=−0.41	P=0.034*
	L	r=−0.41	P=0.032*

Table 5b. Effects of mood state, illness variables and medication upon left putamen and left parahippocampal gyrus GMV in BPI
Non-a priori region	Euthymic vs. depressed BPI		Age of illness onset		Illness duration		Lithium (taking versus not taking)		Medication load
Left putamen	t (25)=0.36	P=0.2	r=0.24	p=0.23	r=0.031	p=0.88	t (25)=1.4	P=0.17	r=−0.45	P=0.02*
Left parahippocampal gyrus	t (25)=1.6	p=0.12	r=0.2	p=0.31	r=0.031	p=0.88	t (25)=0.74	p=0.47	r=−0.45	p=0.02*

^*Trend findings: We used a statistical threshold of P=0.01 to control for multiple tests.