Table 4.

Brain regions showed significant differences in RTdose images between RTtechs (IMRT vs. VMAT) in T2 patients in a two-sample t-test by using a permutation threshold-free cluster enhancement test (number of permutations = 5,000, FWE p < 0.05), voxel size: 2*2*2.

Regions	Voxels	Peak T value	MNI coordinate
			x	y	z
IMRT < VMAT
Cerebellum Posterior Lobe	147	−5.46	6	−66	−54
IMRT > VMAT
Frontal Lobe	41,049	6.92	−6	22	−30
Temporal Lobe	10,188	6.90	24	14	−28
Parietal Lobe	9,992	4.38	68	−18	36
Limbic Lobe	8,908	6.75	22	12	−30
Midbrain	1,846	5.95	−4	−10	−22
Sub-lobar	794	5.87	−22	−6	−26
Pons	785	6.12	2	−12	−26
Cerebellum Anterior Lobe	610	3.54	−14	−28	−18
Occipital Lobe	52	2.61	−14	−42	−4