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Comparison of volumes of interests from reconstructed images using various trajectories. Percent differences in the mean for each dual-energy window (DEW)-reconstructed dataset are determined relative to the primary-only reconstruction.
| % Difference in mean (DEW versus primary-only) | |||||
|---|---|---|---|---|---|
| Trajectory | No lesion | 1-cm lesion | 4-cm lesion | ||
| Background | Lesion | Background | Lesion | Background | |
| 0 deg | 1 | 0 | 4 | 0 | |
| 15 deg | 2 | 7 | 1 | 4 | 0 |
| 30 deg | 2 | 3 | 2 | 4 | 0 |
| 45 deg | 4 | 13 | 4 | 5 | 4 |
| Variable | 1 | 1 | 4 | 0 | |
