Table III.
F statistics and P‐values for the main effects and interactions of “group” and “segment” for left and right optic radiations tested using repeated‐measures ANOVA
| Dependant variable | Explanatory model | F statistic (significance) | |
|---|---|---|---|
| Left optic radiation | Right optic radiation | ||
| λ|| | Group | 3.55 | 2.44 |
| Group × Segment | 5.33 (P < 0.0001) | 2.93 (P < 0.0001) | |
| λ⟂ | Group | 13.78 (P = 0.001) | 9.01 (P = 0.007) |
| Group × Segment | 0.91 | 1.12 | |
| MD | Group | 0.9 | 0.62 |
| Group × Segment | 1.58 (p = 0.02) | 1.59 (P = 0.02) | |
| FA | Group | 25.13 (P < 0.0001) | 31.64 (P < 0.0001) |
| Group × Segment | 1.83 (P = 0.002) | 1.68 (P = 0.006) | |
| α | Group | 10.85 (P = 0.004) | 7.23 (P = 0.02) |
| Group × Segment | 0.92 | 0.72 | |
Abbreviations: λ|| (axial diffusion coefficient), λ⟂ (radial diffusion coefficient), MD (mean diffusivity), FA (fractional anisotropy), α (angle of deviation of the principal eigenvector).