Table 2.
Least-square regression analysis of the relationship between ocular and orbital volumes vs. occipital lobe gyri volumes generated using (a) Brain Parser 56 ROI, after accounting for age and sex, and (b) FreeSurfer 5.3.0-generated visual cortical gyri volumes
| Ocular volume | Orbital volume | |||||
|---|---|---|---|---|---|---|
| t | P | Adj. R2 for model | t | P | Adj. R2 for model | |
| (a) | ||||||
| Middle occipital gyrus – V1 | 1.67 | 0.10 | 0.25 | 4.01 | 0.00 | 0.29 |
| Superior occipital gyrus – V2/V3 | 2.58 | 0.01 | 0.22 | 2.99 | 0.00 | 0.25 |
| Inferior occipital gyrus – V2/V3 | −0.19 | 0.85 | 0.28 | 4.12 | 0.00 | 0.32 |
| Cuneus – V1-V3 | 1.63 | 0.11 | 0.23 | 3.22 | 0.00 | 0.28 |
| Lingual gyrus – V1-V3 | 0.85 | 0.40 | 0.22 | 3.04 | 0.00 | 0.22 |
| Total visual cortical gyri | 1.59 | 0.12 | 0.32 | 4.42 | 0.00 | 0.37 |
| (b) | ||||||
| Middle occipital gyrus – V1 | 1.58 | 0.12 | 0.42 | 1.63 | 0.11 | 0.39 |
| Superior occipital gyrus – V2/V3 | 0.72 | 0.47 | 0.36 | 1.57 | 0.12 | 0.33 |
| Inferior occipital gyrus – V2/V3 | 0.63 | 0.53 | 0.38 | 1.84 | 0.07 | 0.38 |
| Cuneus – V1-V3 | −0.24 | 0.81 | 0.20 | 1.15 | 0.25 | 0.20 |
| Lingual gyrus – V1-V3 | 3.15 | 0.00 | 0.29 | 2.85 | 0.01 | 0.22 |
| FreeSurfer designated V1 | 0.74 | 0.46 | 0.25 | 2.25 | 0.03 | 0.24 |
| FreeSurfer designated V2/V3 | 1.26 | 0.21 | 0.39 | 2.09 | 0.04 | 0.37 |
| Total visual cortical gyri | 1.60 | 0.11 | 0.45 | 2.57 | 0.01 | 0.43 |