VOI Characteristics
| VOI name | Volume specifications | Volume cm3* |
| Aorta 2 × 2 | 2 voxels squared, 1 slice | 0.26–0.40 |
| Aorta 3 × 3 | 3 voxels squared, 1 slice | 0.58–0.88 |
| Aorta 5 slides 2 × 2 | 2 voxels squared, in 5 consecutive slices | 1.28–1.96 |
| Lung apically | 3-cm-diameter sphere, right lung | 14.04–14.07 |
| Lung basally | 3-cm-diameter sphere, right lung | 14.04–14.07 |
| Liver | 3-cm-diameter sphere, right upper quadrant | 14.04–14.07 |
| Thoracic vertebra | 2-cm-diameter sphere, bone marrow | 4.13–4.17 |
| Lumbar vertebra | 2-cm-diameter sphere, bone marrow | 4.13–4.17 |
| Muscle | 2-cm-diameter sphere, m. erector spinae | 4.13–4.17 |
↵* Volume metrics vary due to interscanner differences (mostly for voxel-based measures).