Table 6.
ANOVA comparisons between the GM and WM only models, and the models combining WM and GM lesion involvement.
| Residual sum of squares | Degrees of freedom | Mean square | F | Significance | |
|---|---|---|---|---|---|
| AHA | |||||
| WM/GM combined | 81,617 | – | – | – | – |
| WM only | 93,130 | − 6 | − 11,514 | 2.563 | 0.023⁎ |
| GM only | 110,550 | − 8 | − 28,933 | 4.830 | < 0.001⁎⁎⁎ |
| BRIEF | |||||
| WM/GM combined | 735,037 | – | – | – | – |
| WM only | 825,191 | − 7 | − 90,154 | 1.542 | 0.164 |
| GM only | 973,689 | − 4 | − 238,652 | 7.143 | < 0.001⁎⁎⁎ |
| SDQ | |||||
| WM/GM combined | 6013.7 | – | – | – | – |
| WM only | 6386.7 | − 7 | − 373.07 | 0.541 | 0.800 |
| GM only | 11,366.0 | − 8 | − 5352.3 | 6.787 | < 0.001⁎⁎⁎ |
| TVPS | |||||
| WM/GM combined | 439,456 | – | – | – | – |
| WM only | 414,153 | − 2 | − 215,837 | 21.365 | < 0.001⁎⁎⁎ |
| GM only | 655,292 | − 6 | − 40,342 | 1.331 | 0.252 |
| WR | |||||
| WM/GM combined | 27,956 | – | – | – | – |
| WM only | 29,640 | − 4 | − 3228.4 | 2.598 | 0.041⁎ |
| GM only | 31,184 | − 4 | − 1684.1 | 1.355 | 0.256 |
| VOC | |||||
| WM/GM combined | 81,786 | – | – | – | – |
| WM only | 148,175 | − 4 | − 66,390 | 18.264 | < 0.001⁎⁎⁎ |
| GM only | 96,119 | − 5 | − 14,333 | 3.155 | 0.011⁎ |
Asterisked correlations were found to be statistically significant: * p < 0.05; ** p < 0.01, *** p < 0.001. AHA, Assisting Hand Assessment; BRIEF, Behaviour Rating Inventory of Executive Function; GM, grey matter; SDQ, Strengths and Difficulties Questionnaire; TVPS, Test of Visual Perception Skills; VOC, vocabulary; WM, white matter; WR, word reasoning.