Table 2.
| A: Overall image quality scores provided by two readers for each phase of enhancement and for each acquisition/reconstruction scheme. Scores in early and late arterial phases are highlighted in bold. | ||||||
|---|---|---|---|---|---|---|
| Overall Image Quality |
GRASP | XD-GRASP | BH VIBE | |||
| Phase of Enhancement |
Reader 1 | Reader 2 | Reader 1 | Reader 2 | Reader 1 | Reader 2 |
| Non-contrast | 3.50 ± 0.6 | 3.75 ± 1.1 | 3.94 ± 0.4 | 4.1 ± 0.8 | 3.94 ± 0.6 | 4.13 ± 0.6 |
| Early Arterial | 3.31 ± 0.6 | 3.38 ± 0.9 | 4.3 ± 0.6 | 3.81 ± 0.8 | 3.88 ± 0.6 | 3.50 ± 1.0 |
| Late Arterial | 3.63 ± 0.6 | 2.88 ± 0.7 | 4.5 ± 0.6 | 3.56 ± 0.5 | 3.44 ± 0.6 | 2.94 ± 0.9 |
| Portal Venous | 3.75 ± 0.8 | 3.81 ± 0.9 | 4.44 ± 0.5 | 4.0 ± 0.5 | 4.38 ± 0.6 | 4.0 ± 0.7 |
| B: P value for pair-wise comparison of overall image quality score between acquisitions for each phase of enhancement stratified by reader. Significant differences are highlighted in bold. | |||||
|---|---|---|---|---|---|
| Comparison | Reader | Non-contrast | Early Arterial | Late Arterial | Portal Venous |
| XD-GRASP versus GRASP | 1 | 0.063 | <0.001 | 0.001 | 0.002 |
| XD-GRASP versus GRASP | 2 | 0.031 | 0.016 | 0.002 | 0.508 |
| XD-GRASP versus BH VIBE | 1 | 1.000 | 0.183 | 0.001 | 1.000 |
| XD-GRASP versus BH VIBE | 2 | 1.000 | 0.391 | 0.039 | 1.000 |