Table 2. Comparison of motion parameters.

Comparison	Direction	t	df	p-value
ASC vs controls	x-displacement	0.79	49.24	0.43
	y-displacement	-1.08	61.36	0.28
	z-displacement	1.80	57.71	0.08
	Rotation about x	1.64	51.01	0.11
	Rotation about y	0.48	52.09	0.63
	Rotation about z	-1.96	50.15	0.06
MDD vs controls	x-displacement	1.07	57.84	0.29
	y-displacement	0.22	67.39	0.83
	z-displacement	1.32	63.37	0.19
	Rotation about x	-1.10	67.67	0.27
	Rotation about y	0.50	53.38	0.62
	Rotation about z	0.97	65.58	0.34

Between-group comparisons of the differences between final and initial image volumes of the translations and rotations around orthogonal axes (x, y, z) with an independent samples t-test assuming unequal variance, two-tailed.

df = degrees of freedom.