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Table 2: Repeatability of volume estimation of various brain structures using NeuroQuant with either a conventional or synthetic T1-weighted image stack as input^{^a}
T1-Weighted 1.5T syT1WI 1.5T T1-Weighted 3T syT1WI 3T
Forebrain parenchyma 0.6 0.7 0.6 4.0
Cortical gray matter 1.2 1.0 1.5 4.4
Superior lateral ventricle 1.1 1.2 1.0 18.2
Inferior lateral ventricle 5.6 4.6 3.5 21.3
Hippocampus 1.2 1.2 2.4 3.8
Amygdala 3.6 2.3 4.0 5.2
Caudate 4.0 2.0 2.9 6.4
Putamen 2.6 1.3 1.6 6.2
Pallidum 12.8 5.3 8.8 6.3
Thalamus 3.4 2.9 3.3 6.1
Cerebellum 0.7 0.9 1.0 2.9
ICV 0.4 0.3 0.3 1.5
BPV 0.5 0.6 0.5 3.7
WMV 1.2 0.7 1.0 3.7
GMV 0.9 0.9 1.2 4.0
CSFV 2.1 2.4 1.6 6.0
Note:—WMV indicates white matter volume; GMV, gray matter volume; CSFV, CSF volume.
↵a Expressed as coefficient of variation (%), at 1.5T and 3T.

	T1-Weighted 1.5T	syT1WI 1.5T	T1-Weighted 3T	syT1WI 3T
Forebrain parenchyma	0.6	0.7	0.6	4.0
Cortical gray matter	1.2	1.0	1.5	4.4
Superior lateral ventricle	1.1	1.2	1.0	18.2
Inferior lateral ventricle	5.6	4.6	3.5	21.3
Hippocampus	1.2	1.2	2.4	3.8
Amygdala	3.6	2.3	4.0	5.2
Caudate	4.0	2.0	2.9	6.4
Putamen	2.6	1.3	1.6	6.2
Pallidum	12.8	5.3	8.8	6.3
Thalamus	3.4	2.9	3.3	6.1
Cerebellum	0.7	0.9	1.0	2.9
ICV	0.4	0.3	0.3	1.5
BPV	0.5	0.6	0.5	3.7
WMV	1.2	0.7	1.0	3.7
GMV	0.9	0.9	1.2	4.0
CSFV	2.1	2.4	1.6	6.0