Table 5.
Multivariate adjusted relations of TMTB-A and white matter microstructural integrity as assessed by Fractional anisotropy (FA) and radial diffusivity (RD) in participants with a cfPWV value above and below 8.5 m/s.
| Participants with a cfPWV value above 8.5 m/s | ||||
|---|---|---|---|---|
| DTI Metrics | ROI | B | β | p-value |
| FA | corpus callosum | −704.110 | −0.510 | 0.008 |
| internal capsule | −505.337 | −0.309 | 0.122 | |
| corona radiata | −653.102 | −0.404 | 0.040 | |
| superior longitudinal fasciculus | −216.783 | −0.180 | 0.363 | |
| RD | corpus callosum | 6.28 105 | 0.560 | 0.003 |
| internal capsule | 5.45 105 | 0.260 | 0.180 | |
| corona radiata | 8.12 105 | 0.520 | 0.004 | |
| superior longitudinal fasciculus | 3.89 105 | 0.322 | 0.092 | |
| Participants with a cfPWV value below 8.5 m/s | ||||
|---|---|---|---|---|
| DTI Metrics | ROI | B | β | p-value |
| FA | corpus callosum | −28.923 | −0.037 | 0.888 |
| internal capsule | −0.976 | 0.001 | 0.996 | |
| corona radiata | 70.943 | 0.082 | 0.742 | |
| superior longitudinal fasciculus | 73.245 | 0.119 | 0.648 | |
| RD | corpus callosum | 9.40 105 | 0.172 | 0.551 |
| internal capsule | 2.21 105 | 0.232 | 0.356 | |
| corona radiata | 9.90 105 | 0.158 | 0.565 | |
| superior longitudinal fasciculus | 3.79 105 | 0.060 | 0.823 | |
Significant p-values (corrected for multiple comparisons) are in bold fonts (adjusted threshold is 0.006 and 0.018 for FA and RD respectively).