Table 1.
Results from the simulated motion study
| Pre-analysis approach | Post-analysis approach | |
|---|---|---|
| Total corrected scans (%) | 94 | 64 |
| Correction in x-direction (%) | 32 | 1 |
| Correction in y-direction (%) | 47 | 44 |
| Correction in z-direction (%) | 95 | 69 |
| Correction of images with displacements > 10 mm (%) | 16 | 23 |
| Correction in x-direction for images with displacements > 10 mm (%) | 7 | 0 |
| Correction in y-direction for images with displacements > 10 mm (%) | 52 | 72 |
| Correction in z-direction for images with displacements > 10 mm (%) | 41 | 28 |
| Territories with reduced MBF artifacts (%) | 54 | 57 |
| Correction in the 10 motion-free scans (#) | 8 | 1 |
Pre-analysis approach: Motion assessed using dynamic PET images only. Post-analysis approach: Motion assessed using dynamic PET images, pre-motion-correction parametric images, and polar maps