Table 3 Agreement and correlation results of the voxel-based volumes by CT and MRI methods
Brain regions | CT voxel-based volume | MR voxel-based volume | p value | ICC | Spearman's coefficient | Correlation p value |
|---|---|---|---|---|---|---|
Left basal ganglia | 45,804.50 (44,319.00, 47,000.00) | 48,837.00 (45,742.50, 52,271.00) | 0.011 | 0.315 (− 0.097 to 0.662) | 0.39 (− 0.094 to 0.725) | 0.109 |
Left cerebellum | 89,802.78 ± 5571.08 | 92,617.67 ± 5391.20 | 0.133 | 0.362 (− 0.059 to 0.69) | 0.277 (− 0.218 to 0.659) | 0.265 |
Left hemisphere | 531,664.00 (483,331.80, 550,391.80) | 504,269.00 (480,361.10, 539,919.80) | 0.376 | 0.618 (0.242–0.835) | 0.591 (0.172–0.829) | 0.0097 |
Left hippocampus | 4362.00 (3993.20, 4784.00) | 4066.00 (3801.10, 4371.60) | 0.1 | 0.574 (0.16–0.899) | 0.564 (0.132–0.816) | 0.0147 |
Right basal ganglia | 46,390.00 (42,911.75, 47,000.00) | 46,375.00 (43,834.20, 50,234.80) | 0.255 | 0.084 (− 0.314 to 0.494) | 0.146 (− 0.344 to 0.574) | 0.5633 |
Right cerebellum | 89,439.00 (84,631.25, 98,000.40) | 95,445.00 (89,421.80, 98,207.10) | 0.091 | 0.35 (− 0.06 to 0.681) | 0.352 (− 0.138 to 0.703) | 0.1521 |
Right hemisphere | 508,069.94 ± 36,007.75 | 516,248.33 ± 41,078.62 | 0.53 | 0.654 (0.298–0.853) | 0.68 (0.312–0.871) | 0.0019 |
Right hippocampus | 5599.28 ± 777.12 | 5631.67 ± 531.52 | 0.885 | − 0.004 (− 0.497 to 0.467) | 0.009 (− 0.46 to 0.474) | 0.971 |