Table I. Imaging Parameters for all 121 baseline abdominal MRI R2* examinations SNR, signal-to-noise ratio.
Parameter | Target | Actual (mean ± SD) |
---|---|---|
Field of View (mm) | 280-420 | 354.4 ± 35.6 |
Phase Field of View (%) | 60-100% | 78.7 ± 12.0 |
Slice Thickness (mm) | 8-12 | 9.6 ± 1.2 |
In-plane Resolution (mm) | 2-6 | 3.0 ± 0.7 × 3.3 ± 0.8 |
Number of echoes | > 12 | 13.5 ± 2.6 |
Shortest echo time (ms) | < 1.2 | 1.10 ± 0.19 |
Echo spacing (ms) | < 1.5 | 1.05 ± 0.31 |
Bandwidth (Hz/px) | > 600 | 1741 ± 761 |
Repetition time (ms) | 97.5 ± 25.9 | |
Points in frequency direction | 118.0 ± 15.8 | |
Frequency direction sampling | 120.8 ± 21.7 | |
Relative SNR metric 1 | 2.4 ± 1.7 |