Table 4.
Correlative relationship between qualitative and quantitative ambulation measures and the percentage of WM at risk
| Region WMHpa | UPDRS: Gait and Postural Stability | UPDRS: Gait, Posture, and Postural Stability | Velocity | Stride length |
|---|---|---|---|---|
| Total | 0.23 (0.006) | 0.27 (0.001) | −0.42 (<0.001) | −0.42 (<0.001) |
| Periventricular | 0.22 (0.009) | 0.26 (0.002) | −0.42 (<0.001) | −0.40 (<0.001) |
| Subcortical | 0.23 (0.006) | 0.24 (0.004) | −0.38 (<0.001) | −0.39 (<0.001) |
| Frontal | 0.20 (0.02) | 0.23 (0.006) | −0.41 (<0.001) | −0.44 (<0.001) |
| Temporal | 0.18 (0.04) | 0.21 (0.01) | −0.40 (<0.001) | −0.39 (<0.001) |
| Parietal | 0.28 (<0.001) | 0.30 (<0.001) | −0.40 (<0.001) | −0.39 (<0.001) |
| Occipital | 0.14 (0.09) | 0.23 (0.006) | −0.29 (<0.001) | −0.23 (0.005) |
Abbreviations: WMHp, percentage of white matter at risk; UPDRS, Unified Parkinson’s Disease Rating Scale
a
Percentages were calculated in the four main lobes and radial location.
Note: Values shown are Spearman rank-order correlation (P-value)