Table 2 Comparison of TBSS parameters.

From: Correlations between Gray Matter and White Matter Degeneration in Pure Alzheimer’s Disease, Pure Subcortical Vascular Dementia, and Mixed Dementia

Parameter

NC (n   = 56)

PiB(+) ADD (n = 40)

PiB(−) SVaD(n = 32)

PiB(+) SVaD (n = 23)

FA

0.475 ± 0.016

0.473 ± 0.026

0.402 ± 0.032*†^

0.430 ± 0.026*†

DR (x10−4)

5.670 ± 0.268

5.833 ± 0.385

7.059 ± 0.653*†^

6.622 ± 0.540*†

DA (x10−4)

12.334 ± 0.269

12.298 ± 0.431

12.947 ± 0.470*†

12.874 ± 0.471*†

  1. Values are means ± SD.
  2. * p < 0.05 compared to NC, † p < 0.05 between PiB(+) ADD and PiB(−) SVaD or PiB(+) SVaD, ^p < 0.05 between PiB(−) SVaD and PiB(+) SVaD. Abbreviations: TBSS, tract-based spatial statistics; NC, normal controls; PiB, Pittsburgh compound B; ADD, Alzheimer’s disease dementia; SVaD, subcortical vascular dementia; SD, standard deviation; FA, fractional anisotropy; DR, radial diffusivity; DA, axial diffusivity.
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