Comparison of mean percent asymmetry of diffusion parameters*
| Subject Category | Fractional Anisotropy | Transverse Diffusivity | Parallel Diffusivity | Dav |
|---|---|---|---|---|
| Control | 0.3% (3.8, −3.2) | −1.3% (4.9, −7.5) | −0.5% (2.6, −3.7) | −1.9% (6.5, −10.3) |
| Mild hemiparesis | −2.8% (3.6, −9.3) | 3.6% (15.1, −7.9) | −0.9% (4.8, −6.7) | 1.6% (17.1, −14.0) |
| Moderate hemiparesis | −17.7% (−12.6, −22.8) | 21.5% (30.6, 12.4) | −3.3% (1.2, −7.9) | 6.6% (18.8, −5.7) |
| Severe hemiparesis | −46.9% (−36.7, −57.1) | 75.2% (93.4, 57.1) | 7.2% (16.3, −2.0) | 38.8% (63.4, 14.2) |
| P value | P < .0001†‡ | P < .0001†‡ | P = .23† | P < .03†‡ |
* 95% confidence intervals are listed in parentheses.
† P values are listed for one-way ANOVA analyses.
‡ P values <.05.