| 
      
        | Variable | β* | p |  
        | FA ratio† | 0.648 | 0.005 |  
        | Hypertension | -0.354 | 0.270 |  
        | Diabetes mellitus | -0.311 | 0.337 |  
        | Hemorrhage volume | 0.307 | 0.189 |  
        | Age | 0.173 | 0.540 |  
        | Sex | 0.237 | 0.256 |  
        | Motor grade on admission | 0.253 | 0.201 |  
        | Surgery | -0.132 | 0.539 |  
        | Admission time | 0.017 | 0.928 |  
        | β* indicates    the standardized partial regression coefficient, †Only variables with p<0.05 entered into the model;F=12.4, p=0.005; r2=0.41;    FA : Fraction Anisotropy |  |