Table 8.
Percentage of variance in performance in Motor explained by age and selected DTI metrics
| Predictor | % Variance | p Value |
|---|---|---|
| Age | 49.40 | .0001 |
| Genu FA | 40.50 | .0008 |
| Genu ADC | 45.40 | .0003 |
| Splenium ADC | 32.00 | .0040 |
| Fornix FA | 45.80 | .0003 |
| Fornix ADC | 43.00 | .0005 |
| UF FA | 42.50 | .0006 |
| UF FA/UF ADC | 39.70 | .0010 |
| Age after genu FA | 10.50 | .0465 |
| Age after genu ADC | 7.50 | .0748 |
| Age after splenium ADC | 20.30 | .0070 |
| Age after fornix FA | 7.20 | .0859 |
| Age after fornix ADC | 7.60 | .0870 |
| Age after UF FA | 16.50 | .0085 |
| Age after UF ADC | 12.70 | .0275 |
| Age after all(n=7) | 7.90 | .0243 |
| Genu FA after age | 1.60 | .4240 |
| Genu ADC after age | 3.90 | .2038 |
| splenium ADC after age | 2.60 | .2760 |
| Fornix FA after age | 3.60 | .2188 |
| Fornix ADC after age | 1.20 | .4873 |
| UF FA after age | 9.60 | .0378 |
| UF ADC after age | 3.00 | .2624 |
Correlations significant at the .05 level are in red; those meeting family-wise Bonferroni correction (p=.012, 1-tailed, α=.05, n=8) are in red and bold.