Spearman rank correlation (ρ) values among visual score, brain volumes, and histogram parameters in 36 patients with LA
| Variable | Fazekas Scale, ρ | P |
|---|---|---|
| Normalized brain volume | 0.06 | |
| Gray matter | 0.17 | |
| White matter | −0.04 | |
| Whole-brain MD | ||
| 25th percentile | 0.47 | .003 |
| 50th percentile | 0.36 | |
| Skewness | −0.30 | |
| Kurtosis | −0.23 | |
| Whole-brain FA | ||
| 25th percentile | −0.15 | |
| 50th percentile | −0.27 | |
| Skewness | 0.46 | .003 |
| Kurtosis | 0.54 | <.001 |
Note:—LA indicates leukoaraiosis; MD, mean diffusivity; FA, fractional anisotropy.