Table 3.
Total superficial white matter group comparisons.
| Region | Pre-HD | HD | Controls | MANOVA | Bonferroni post-hoc comparison (p) | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Controls vs. Pre-HD | Controls vs. HD | Pre-HD vs. HD | ||||||||
| F | df | P | P | P | P | |||||
| AD | 1.11E-3 ± 4.60E-5 | 1.22E-3 ± 9.30E-5 | 1.047E-3 ± 4.63E-5 | 71.75 | 2.97 | 0.001 | 0.001 | 0.001 | 0.001 | |
| Total Superficial White Matter | RD | 8.42E-4 ± 3.82E-5 | 9.64E-4 ± 9.14E-5 | 7.856E-4 ± 4.01E-5 | 80.04 | 2.97 | 0.001 | 0.001 | 0.001 | 0.001 |
| (Mean value ±SD) | MD | 9.31E-4 ± 4.08E-5 | 1.05E-3 ± 9.18E-5 | 8.738E-4 ± 3.98E-5 | 77.71 | 2.97 | 0.001 | 0.001 | 0.001 | 0.001 |
| FA | 0.2045 ± 0.0078 | 0.1885 ± 0.0151 | 0.2116 ± 0.0103 | 34.43 | 2.97 | 0.001 | 0.032 | 0.001 | 0.001 | |
FA, Fractional Anisotropy; AD, Axial Diffusivity; RD, Radial Diffusivity; MD, Mean Diffusivity (AD/RD/MD Mean units: 10−3 mm2/s).
Significant Bonferroni corrected results are in BOLD.