Table 2. Significant traits identified in four analyses of the hindbrain study using ANOVA (1) and independent sample t-tests (2–4).

Group	1.Total cohort n = 130		2.control v SM n = 99[28,71]		3.control v CM pain n = 59[28,31]		4. CM pain v SM n = 102[31,71]
variables	F	p-value	t	p-value	t	p-value	t	p-value
L3* (dib)	13.53	<0.001	-5.34	<0.001			-2.65	0.011
L5(aeb)	13.50	0.007			3.35	0.001
L7(bdi)	14.85	<0.001	4.81	<0.001			4.02	<0.001
L9 (jcb)	14.80	<0.001			-2.23	0.030	4.59	<0.001
L10* (afg)	3.88	0.024					2.74	0.008
L11(ebk)	4.30	0.016	2.82	0.006	2.26	0.027
line f-d*	6.30	0.002	-4.04	<0.001
line ab	4.10	0.019			2.41	0.019	-2.70	0.009
line bc*	6.70	0.002					3.68	<0.001
line ae*	4.90	0.009	-4.06	<0.001
line ac	4.30	0.015	2.51	0.014			2.30	0.024
line ai	10.70	<0.001	4.62	<0.001			2.91	.004
line bk	9.50	<0.001	3.16	0.002			4.35	<0.001
ratio f-d/bc	12.40	<0.001	-3.66	0.001			-4.34	<0.001

*trait significant in previous GB studies L = angle

F: F-test from one factor ANOVA

t: t-test statistic from independent sample t-test.