Table 2.

Statistical results (F and p-values) of the effect of mapping algorithm, group allocation, and reference region, as well as the combined effect on susceptibility values

Region	Effect	F	Df	p-value
Caudate nucleus	Algorithm	264.01	5, 150	< 0.001
	Group	38.12	1, 10	< 0.001
	Reference region	10.03	2, 9	0.005
	Algorithm:Group	194.14	5, 150	< 0.001
	Algorithm:Reference region	18.48	10, 150	< 0.001
	Group:Reference region	10.81	2, 9	0.004
	Algorithm:Group:Reference region	28.11	10, 150	< 0.001
Globus pallidus	Algorithm	138.71	5, 150	< 0.001
	Group	5.43	1, 10	0.040
	Reference region	18.67	2, 9	< 0.001
	Algorithm:Group	16.91	5, 150	< 0.001
	Algorithm:Reference region	13.81	10, 150	< 0.001
	Group:Reference region	27.21	2, 9	< 0.001
	Algorithm:Group:Reference region	18.96	10, 150	< 0.001
Putamen	Algorithm	305.23	5, 150	< 0.001
	Group	37.60	1, 10	< 0.001
	Reference region	9.82	2, 9	0.006
	Algorithm:Group	179.72	5, 150	< 0.001
	Algorithm:Reference region	12.22	10, 150	< 0.001
	Group:Reference region	18.00	2, 9	< 0.001
	Algorithm:Group:Reference region	19.08	10, 150	< 0.001
Thalamus	Algorithm	77.46	5, 150	< 0.001
	Group	36.52	1, 10	< 0.001
	Reference region	16.76	2, 9	< 0.001
	Algorithm:Group	104.95	5, 150	< 0.001
	Algorithm:Reference region	22.72	10, 150	< 0.001
	Group:Reference region	20.40	2, 9	< 0.001
	Algorithm:Group:Reference region	26.84	10, 150	< 0.001

Df Degrees of freedom