Table 2.
Characteristics of the imaging parameters.
| mean | SD | min | max | |
|---|---|---|---|---|
| FW.NAWM | 4.90E-02 | 3.06E-01 | −3.40E-01 | 1.47E+00 |
| FW.WMH | 2.95E-01 | 6.80E-02 | 1.33E-01 | 5.06E-01 |
| ADt.NAWM | 9.37E-04 | 1.63E-05 | 8.37E-04 | 9.77E-04 |
| ADt.WMH | 9.28E-04 | 5.54E-05 | 7.94E-04 | 1.18E-03 |
| FAt.NAWM | 5.33E-01 | 1.63E-02 | 4.42E-01 | 5.67E-01 |
| FAt.WMH | 4.89E-01 | 5.18E-02 | 3.67E-01 | 6.94E-01 |
| MDt.NAWM | 5.97E-04 | 9.18E-07 | 5.94E-04 | 5.99E-04 |
| MDt.WMH | 5.99E-04 | 9.94E-07 | 5.96E-04 | 6.03E-04 |
| RDt.NAWM | 4.04E-04 | 8.11E-06 | 3.81E-04 | 4.39E-04 |
| RDt.WMH | 4.32E-04 | 2.36E-05 | 3.18E-04 | 4.95E-04 |
| WMH volume* | −5.80E+00 | 1.05E+00 | −9.29E+00 | −2.51E+00 |
| nBV | 1.49E+06 | 8.18E+04 | 1.21E+06 | 1.72E+06 |
Abbreviations: FW = free water, NAWM = normal appearing white matter, WMH = white matter hyperintensity, AD = axial diffusivity, FA = fractional anisotropy, MD = mean diffusivity, RD = radial diffusivity; t = suffix for free water corrected tissue, nBV = normalized brain volume;
*
normalized and ln-transformed.