Coefficients of variance of volumetric MRI measurementsa
| SyMRI (40 Participants) | SyMRI (20 Patients with MS) | SyMRI (20 Controls) | SyMRI (5 Controls) | SPM (5 Controls) | FreeSurfer (5 Controls) | FSL (5 Controls) | |
|---|---|---|---|---|---|---|---|
| Brain volume | 0.30 | 0.35 | 0.25 | 0.14 | 0.29 | 0.21 | 0.18 |
| Gray matter volume | 1.4 | 1.2 | 1.6 | 0.64 | 0.81 | 0.78 | 0.25 |
| White matter volume | 1.8 | 1.6 | 2.0 | 0.81 | 0.68 | 0.70 | 0.28 |
| Intracranial volume | 0.26 | 0.28 | 0.24 | 0.12 | 0.17 | 0.15 | – |
| Brain parenchymal fraction | 0.23 | 0.25 | 0.21 | 0.14 | 0.17 | 0.20 | – |
| Gray matter fraction | 1.4 | 1.2 | 1.6 | 0.56 | 0.78 | 0.64 | – |
| White matter fraction | 1.9 | 1.7 | 2.1 | 0.96 | 0.79 | 0.67 | – |
↵a All values represent the CoV in percentages. Volume is expressed in milliliters.