Performance comparison of SPACE versus DANTE-CAIPI-SPACE+DL, values expressed as median (1st quartile, 3rd quartile). P values were reported to test the median of the differences between paired observations by bootstrap. Effect sizes were quantified by using Cliff's δ
| Metric | SPACE | DANTE-CAIPI-SPACE+DL | Cliff’s δ | P Value | |
|---|---|---|---|---|---|
| Qualitative | Image quality | 3 (3, 3) | 2 (2, 3) | 0.37 | .35 |
| SNR | 2 (1, 2) | 2 (1, 2) | –0.0094 | 1 | |
| Artifacts | 4 (3, 4) | 3 (2, 4) | 0.4 | .079 | |
| Arterial blood suppression | 3 (3, 4) | 1 (1, 1.75) | 0.88 | <.001 | |
| Venous blood suppression | 3 (3, 4) | 1 (1, 2) | 0.87 | <.001 | |
| Lesion assessment | 2 (1, 2) | 2 (1, 2) | –0.02 | 1 | |
| Quantitative | Wall SNR | 10.82 (6.22, 16.43) | 9.71 (6.99, 15.53) | 0.017 | .90 |
| Wall CNR | 5.21 (2.99, 9.49) | 4.24 (2.10, 7.65) | 0.13 | .33 |