Table 3:

Average percentage change in the volume estimation of tissue outside the lesion regions between original and masked scans^{^a}

Method	H1			H2			H3
Method	GM	WM	CSF	GM	WM	CSF	GM	WM	CSF
ANN	0.15 ± 0.26	−0.10 ± 0.18	0.07 ± 0.08	0.70 ± 0.61	−0.31 ± 0.24	0.67 ± 0.69	−0.01 ± 0.28	0.04 ± 0.24	−0.12 ± 0.08
FCM	0.09 ± 0.16	−0.07 ± 0.13	0.05 ± 0.08	1.27 ± 1.69	−0.56 ± 0.62	0.82 ± 0.81	0.01 ± 0.03	−0.03 ± 0.05	0.05 ± 0.07
FANTASM	0.06 ± 0.05	−0.05 ± 0.05	0.03 ± 0.05	0.48 ± 0.48	−0.25 ± 0.18	0.68 ± 0.63	0.00 ± 0.04	−0.02 ± 0.05	0.04 ± 0.07
FAST	0.08 ± 0.14	−0.09 ± 0.14	0.07 ± 0.08	0.56 ± 0.87	−0.45 ± 0.64	0.22 ± 0.33	0.02 ± 0.07	−0.06 ± 0.13	0.08 ± 0.16
SPM5	0.06 ± 0.25	0.02 ± 0.13	−0.19 ± 0.54	−0.29 ± 2.61	−0.47 ± 2.91	0.21 ± 0.32	−0.20 ± 0.24	0.23 ± 0.34	0.06 ± 0.15
SPM8	−0.03 ± 0.06	0.09 ± 0.15	−0.10 ± 0.23	0.13 ± 0.30	−0.29 ± 0.33	0.25 ± 0.26	−0.15 ± 0.12	0.14 ± 0.15	0.10 ± 0.20

↵a The results are divided by hospital and tissue. Reported values are the means ± SD. Positive values indicate a tissue overestimation on original images compared with masked.