Table 4.
Body phantom DEQC protocol version 1
| Acquisition | GSI‐preset | Pitch | Rotation time (s) | mA | CTDIvol (mGy) | Image thickness (mm) |
|---|---|---|---|---|---|---|
| 1, 2 | GSI‐36 | 0.516 | 0.8 | 260 | 19.6 | 2.5, 5 |
| 3, 4 | GSI‐36 | 0.984 | 0.8 | 260 | 10.3 | 2.5, 5 |
| 5, 6 | GSI‐1 | 0.516 | 0.5 | 630 | 33.9 | 2.5, 5 |
| 7, 8 | GSI‐1 | 0.984 | 0.5 | 630 | 17.8 | 2.5, 5 |
| 9, 10 | GSI‐10 | 0.516 | 0.8 | 600 | 48.6 | 2.5, 5 |
| 11, 12 | GSI‐10 | 0.984 | 0.8 | 600 | 25.5 | 2.5, 5 |
| 13, 14 | GSI‐5 | 0.516 | 1 | 600 | 62 | 2.5, 5 |
| 15, 16 | GSI‐5 | 0.984 | 1 | 600 | 32.5 | 2.5, 5 |
Note: All acquisitions used helical scan mode, beam width of 40 mm, Large Body SFOV, 42 cm DFOV, and Standard reconstruction algorithm. A total of five images were acquired per acquisition.