Table 2.
Diffusion-based measures for stroke and control participants in white matter tracts from the corpus callosum.
| CSD-based tractography |
DTI-based tractography |
|||
|---|---|---|---|---|
| Stroke (SD) | Control (SD) | Stroke (SD) | Control (SD) | |
| Mean FA | 0.39⁎ (0.03) | 0.43⁎ (0.01) | 0.53 (0.02) | 0.54 (0.02) |
| Mean ADC (E−4) (mm2/s) | 11.43⁎ (0.83) | 9.83⁎ (0.17) | 9.40# (0.45) | 8.62# (0.16) |
| Mean AD (E−4) (mm2/s) | 16.25⁎ (0.88) | 14.69⁎ (0.29) | 15.65⁎ (0.59) | 14.52⁎ (0.17) |
| Mean RD (E−4) (mm2/s) | 9.02⁎ (0.84) | 7.40⁎ (0.13) | 6.27@ (0.42) | 5.67@ (0.19) |
| Number of tracts | 8239.11⁎ (1448.14) | 10,119.67⁎ (1002.06) | 2796.44⁎ (846.14) | 4585.17⁎ (639.94) |
| Tract volume (mm3) | 297,138.53 (49,030.57) | 327,815.41 (34,019.55) | 90,693.13⁎ (20,763.37) | 128,097.94⁎ (13,205.43) |
AD, axial diffusivity; ADC, apparent diffusion coefficient; FA, fractional anisotropy; RD, radial diffusivity. For significant differences between stroke and control groups. All measures were significantly different between CSD and DTI.
#
p = 0.005.
⁎
p < 0.0005.
@
p = 0.002.