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

Table 3 Pairwise comparisons of surface-based morphometry (SBM) analyses between TN wNVC, TN woNVC, and HC groups

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
Inferior frontal gyrus	L	4.33	0.011	−12	25	8	1620
Medial frontal gyrus	R	4.36	0.032	21	17	24	1442
Superior occipital gyrus	B	3.94	0.028	0	−53	10	2371
TN woNVC vs. HC
Angular gyrus	L	4.82	0.026	−36	−48	43	1363
Medial frontal gyrus	L	4.72	0.003	−12	45	12	1887
Inferior temporal gyrus	L	4.40	0.006	−27	−34	−14	1093
TN wNVC vs. TN woNVC
Medial prefrontal cortex	B	4.95	0.010	0	36	−2	1989

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