Mean values and Pearson correlations between age and DTI metrics in the basal ganglia (MD, λ1, λ23 × 10−4 mm2/s)
| Region | MD (Mean ± SD) | FA (Mean ± SD) | λ1 (Mean ± SD) | λ23 (Mean ± SD) |
|---|---|---|---|---|
| Caudate | 6.88 ± 0.42, r = −0.319, P = .007 | 0.24 ± 0.03, r = 0.178, P = .138 | 8.57 ± 0.46, r = −0.299, P = .011 | 6.03 ± 0.43, r = −0.312, P = .008 |
| Putamen | 6.45 ± 0.36, r = −0.410, P < .001 | 0.23 ± 0.04, r = 0.535, P < .001 | 7.93 ± 0.27, r = −0.200, P = .094 | 5.71 ± 0.43, r = −0.451, P < .001 |
| Globus pallidus | 6.00 ± 0.49, r = −0.142, P = .238 | 0.36 ± 0.04, r = 0.276, P = .020 | 8.16 ± 0.42, r = −0.117, P = .329 | 4.89 ± 0.45, r = −0.215, P = .072 |
| Prefrontal | 7.18 ± 0.51, r = 0.314, P = .008 | 0.35 ± 0.05, r = −0.391, P = .001 | 9.82 ± 0.65, r = 0.053, P = .663 | 5.86 ± 0.56, r = 0.403, P < .001 |
| Genu | 6.98 ± 0.65, r = 0.319, P = .007 | 0.65 ± 0.06, r = −0.307, P = .009 | 12.97 ± 1.19, r = 0.139, P = .249 | 3.98 ± 0.65, r = 0.353, P = .003 |
| Splenium | 6.77 ± 0.67, r = −0.153, P = .202 | 0.75 ± 0.05, r = −0.008, P = .946 | 14.16 ± 1.51, r = −0.156, P = .194 | 3.06 ± 0.56, r = −0.066, P = .585 |
| Internal capsule | 6.43 ± 0.51, r = −0.185, P = .123 | 0.69 ± 0.04, r = 0.013, P = .914 | 12.56 ± 0.85, r = −0.231, P = .053 | 3.36 ± 0.46, r = −0.090, P = .458 |