Table 1.

Surface-to-surface error, with FreeSurfer as host. Mean ± std. dev. are shown. Differences between all pairs of methods were statistically significant.

Distance	FreeSurfer (Host)			FreeSurfer + RF Bias Correction			FreeSurfer + GBT Bias Correction
Structure	Fold1	Fold2	Fold1+Fold2	Fold1	Fold2	Fold1+Fold2	Fold1	Fold2	Fold1+Fold2
LCaudate	0.87 ± 0.28	0.70 ± 0.09	0.80 ± 0.24	0.76 ± 0.29	0.59 ± 0.09	0.69 ± 0.24	0.68 ± 0.30	0.50 ± 0.09	0.60 ± 0.25
RCaudate	0.95 ± 0.21	1.07 ± 0.91	1.00 ± 0.61	0.86 ± 0.22	0.96 ± 0.91	0.90 ± 0.61	0.75 ± 0.23	0.84 ± 0.89	0.79 ± 0.60
LPutamen	1.09 ± 0.14	1.11 ± 0.10	1.10 ± 0.12	0.92 ± 0.13	0.94 ± 0.09	0.93 ± 0.11	0.77 ± 0.12	0.76 ± 0.10	0.76 ± 0.11
RPutamen	0.95 ± 0.15	1.14 ± 0.51	1.03 ± 0.36	0.78 ± 0.12	0.98 ± 0.50	0.86 ± 0.35	0.65 ± 0.11	0.81 ± 0.51	0.72 ± 0.35
LHippocampus	0.85 ± 0.18	0.83 ± 0.12	0.84 ± 0.16	0.78 ± 0.17	0.76 ± 0.11	0.77 ± 0.14	0.69 ± 0.16	0.65 ± 0.09	0.67 ± 0.14
RHippocampus	0.80 ± 0.08	1.01 ± 0.77	0.89 ± 0.51	0.73 ± 0.07	0.94 ± 0.78	0.82 ± 0.52	0.65 ± 0.07	0.84 ± 0.78	0.73 ± 0.51