Table 5.
Correlations of Brain Metrics and Diffusion Values.
| Unadjusted r | P value | Adjusted r | P value | |
|---|---|---|---|---|
| Bifrontal Diameter | ||||
| PLIC*: MD | −0.74 | <.001 | −0.70 | <.01 |
| PLIC: RD | −0.72 | <.001 | −0.68 | <.01 |
| PLIC: FA | 0.57 | <.05 | 0.54 | <.05 |
| Brain Biparietal Diameter | ||||
| PLIC: MD | −0.68 | <.01 | −0.64 | <.01 |
| PLIC: RD | −0.70 | <.01 | −0.66 | <.01 |
| PLIC: FA | 0.59 | <.01 | 0.56 | <.05 |
| Transverse Cerebellar Diameter | ||||
| PLIC: MD | −0.52 | <.05 | 0.02 | NS |
| PLIC: RD | −0.59 | <.01 | −0.28 | NS |
| PLIC: FA | 0.55 | <.05 | 0.43 | NS |
| Optic Radiation: MD (level of CSO†) | −0.52 | <.05 | −0.41 | NS |
| Optic Radiation: RD (level of PLIC) | −0.50 | <.05 | −0.28 | NS |
| Optic Radiation: RD (level of CSO) | −0.54 | <.05 | −0.42 | NS |
| Corticospinal Tract: FA | 0.55 | <.05 | 0.28 | NS |
| Brainstem Area | ||||
| PLIC: MD | −0.53 | <.05 | −0.30 | NS |
| PLIC: RD | −0.59 | <.05 | −0.45 | NS |
| PLIC: FA | 0.55 | <.05 | 0.51 | NS |
| Corticospinal Tract: FA | 0.51 | <.05 | 0.35 | NS |
Pearson’s correlation coefficients were adjusted for postmenstrual age at the time of MRI.
*
PLIC = posterior limb of internal capsule,
†
CSO = centrum semiovale