Table 2.

Regional differences in the GMV and WMV between patients with SCA3 and HCs.

Regions	Maximum MNI coordinates (x, y, and z)	No. of voxels	SDM-Z value	P-value	Egger test (p-value)	Cluster'breakdown (no. of voxels>50)	Jackknife sensitivity
GM: Cerebellum hemispheric Cerebellum vermic/pons R fusiform gyrus R lingual gyrus	8, −48, −14	8,446	−6.583	~0	0.908	• L cerebellum hemispheric lobule III-VI, VIII/IX R cerebellum hemispheric lobule III-VI, VIII/IX Cerebellum vermic lobule III-VI, VIII/X pons Right fusiform gyrus Right lingual gyrus	• 7 out of 7 7 out of 7 7 out of 7 7 out of 7 7 out of 7 7 out of 7
WM: cerebellum hemispheric R corticospinal projections Middle cerebellar peduncles Cerebellum vermic Left lingual gyrus	−4, −54, −38	726	−1.885	~0	0.790	• L cerebellum hemispheric lobule R corticospinal projections Middle cerebellar peduncles R cerebellum hemispheric lobule Cerebellum vermic lobule IV/V Left lingual gyrus	• 2 out of 3 2 out of 3 2 out of 3 2 out of 3 2 out of 3 2 out of 3