Table 2.
Average values ± standard deviation of the quantitative and qualitative evaluation
Evaluated scenario | Ratings motion-corrected images | Relative reductions in metric | Ratings perfusion maps | R² values maximum-slope | Residuals maximum-slope (HU) | R² values Patlak | Residuals Patlak |
---|---|---|---|---|---|---|---|
Commercial rigid | 2.7 ± 1.0 | 0.6% ± 63.5% | 2.4 ± 1.0 | 0.03 ± 0.13 | 526 ± 214 | 0.31 ± 0.14 | 1.33 ± 0.76 |
Commercial non-rigid | 3.1 ± 0.9 | 29.2% ± 30.8% | 2.8 ± 0.9 | 0.11 ± 0.07 | 350 ± 108 | 0.35 ± 0.16 | 0.95 ± 0.49 |
Deformable | 3.3 ± 0.8 | 48.5% ± 23.4% | 3.1 ± 0.9 | 0.18 ± 0.07 | 291 ± 71 | 0.41 ± 0.17 | 0.83 ± 0.47 |
Deformable dual-energy-blended | 3.3 ± 0.8 | 45.6% ± 24.1% | 3.0 ± 0.9 | 0.19 ± 0.06 | 290 ± 73 | 0.40 ± 0.19 | 0.84 ± 0.47 |
Deformable virtual non-contrast | 2.9 ± 1.0 | 22.8% ± 27.4% | 2.6 ± 0.9 | 0.12 ± 0.06 | 419 ± 103 | 0.33 ± 0.15 | 1.13 ± 0.49 |
Control | 2.7 ± 1.1 | 0% ± 0% | 2.5 ± 0.9 | 0.07 ± 0.06 | 509 ± 179 | 0.31 ± 0.15 | 1.32 ± 0.69 |