Gray and white matter abnormalities in primary trigeminal neuralgia with and without neurovascular compression

Table 2 Pairwise comparisons of gray matter volume between TN wNVC, TN woNVC, and HC groups^a

Anatomical region	Side	T	P	Peak coordinates (MNI)			Cluster size (mm³)
Anatomical region	Side	T	P	x	y	z	Cluster size (mm³)
TN wNVC vs. HC
Thalamus	L	5.45	0.017	−17	−21	−6	4430
Superior frontal gyrus	L	6.42	0.021	−28	45	41	1522
Inferior frontal gyrus	R	4.91	0.030	15	21	5	1733
Middle temporal gyrus	B	5.92	0.006	0	−36	14	1123
Posterior parietal cortex	B	5.03	0.027	0	−43	2	1893
Angular gyrus	L	4.55	0.045	−35	−37	11	961
Cerebellum	R	5.81	0.032	8	−38	−20	3206
TN woNVC vs. HC
Inferior temporal gyrus	B	5.99	0.021	0	17	−23	2452
Posterior cingulate cortex	B	5.48	0.015	0	−14	10	1842
TN wNVC vs. TN woNVC
Medial prefrontal cortex	R	6.83	0.019	2	9	44	1723
Cerebellum	L	5.88	0.034	−4	−21	−25	2109

That all MNI coordinates of maximum t values are selected in the significant region
That there was no significant difference in gray matter volume between the SZ and BD groups
Abbreviations: SZ Schizophrenia, BD Bipolar disorder, HC Healthy control, MNI Montreal Neurological Institute, L Left, R Right
^a Family-wise error corrected P < 0.017

ISSN: 1129-2377