Fractional anisotropy (expressed as mean ± SD) for the white matter regions in patients and control subjects, and corresponding statistical findings
| Control | PD | Control vs PD | Group x Side Interaction | |
|---|---|---|---|---|
| CST,MB | 0.62 ± 0.06 | 0.61 ± 0.06 | F = 1.8; P = .2 | F = 2.4; P = .1 |
| CST,PLIC | 0.51 ± 0.04 | 0.52 ± 0.04 | F = 0.01; P = .9 | F = 1.0; P = .3 |
| SLF | 0.50 ± 0.03 | 0.46 ± 0.05 | F = 5.9; P = .02* | F = 0; P = 1 |
| CI | 0.52 ± 0.04 | 0.50 ± 0.04 | F = 2.2; P = .2 | F = 0.4; P = .5 |
| GENU | 0.74 ± 0.05 | 0.64 ± 0.08 | F = 6.8; P = .02* | |
| SPLENIUM | 0.73 ± 0.06 | 0.71 ± 0.05 | F = 0.4; P = .5 |
* Indicates statistical significance.