Table 3:
SPACE versus DANTE-CAIPI-SPACE (average score of 2 reviewers)a
| SPACE | DANTE-CAIPI-SPACE | P Value | |
|---|---|---|---|
| Qualitative measurements | |||
| Image quality | 2.5 (2–3) | 2 (1.5–2.5) | <.001 |
| SNR | 1.5 (1–2) | 2 (2–2.5) | <.001 |
| Artifacts | 3.5 (3–4) | 3 (2–3) | <.001 |
| Art. blood suppression | 3 (2.5–3.5) | 1.25 (1–1.5) | <.001 |
| Lesion | 2 (1.5–2.5) | 1.5 (1–2) | <.001 |
| Ven. blood suppression | 3 (2–3.375) | 1.5 (1.125–2) | <.001 |
| Motion | 1 (0–2) | 0 (0–0.5) | <.001 |
| Quantitative measurement | |||
| Lumen area (mm2) | 7.9 (5.5–10.3) | 7.6 (4.8–11.0) | .45 |
| Wall area (mm2) | 12.6 (9.9–16.3) | 12.4 (10.1–14.6) | .04 |
| Lumen CR | 0.33 (0.26–0.43) | 0.37 (0.27–0.48) | .003 |
| Wall lumen CR | 2.3 (1.9–2.6) | 1.9 (1.7–2.5) | <.001 |
Note:—Art. indicates arterial; Ven., venous; CR, contrast ratio.
a
Values are expressed as median (interquartile range).