Table 2.

Regions Showing GMV Differences between APF Group and NPF Group

	MNI coordinates				GMV, mm3
Region	x	y	z	Voxel size	APF group	NPF group	tmax
Postcentral gyrus, L	−60	3	18	421	333.19 ± 46.97	388.16 ± 52.92	3.79
Fusiform gyrus, R	30	−54	−14	494	492.38 ± 64.35	546.86 ± 57.47	3.57
Cerebellum crus, R	23	−74	−39	723	523.49 ± 86.86	599.08 ± 72.40	3.43
Parahippocampal gyrus, L	−20	−2	−32	663	483.20 ± 74.66	547.60 ± 69.73	3.17

APF abnormal pulmonary function, GMV gray matter volume, L left, MNI Montreal Neurological Institute, NPF normal pulmonary function, PD Parkinson’s disease, R right

The statistical criteria are presented with voxel height uncorrected P < 0.001 and a cluster extent threshold of the family-wise error rate (FWE) < 0.05