Table 2:
Relationships between motor impairment and stroke/WMHs, stratified by WMH severity
| Mild WMHs | Moderate-Severe WMHs | ||||||
|---|---|---|---|---|---|---|---|
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| Predictor | Estimate | Std error | p value | Estimate | Std error | p value | |
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| Age | −0.296 | 0.084 | <0.001 | −0.278 | 0.153 | 0.070 | |
| Days post-stroke | 0.405 | 0.090 | <0.001 | 0.567 | 0.165 | 0.001 | |
| Stroke volume | −0.194 | 0.111 | 0.081 | −0.088 | 0.184 | 0.633 | |
| CST lesion load | 0.888 | 0.145 | <0.001 | 0.332 | 0.213 | 0.120 | |
| WMH volume | 0.057 | 0.086 | 0.503 | 0.299 | 0.149 | 0.044 | |
| CST lesion load:WMH volume | −0.211 | 0.095 | 0.026 | 0.079 | 0.200 | 0.692 | |
Summary statistics and standardized parameter estimates from beta regression models, with harmonized motor impairment score as the outcome measure. Bold values indicate statistical significance (p < 0.05).
Abbreviations: CST = Corticospinal tract, WMH = White matter hyperintensity