Table 2. Scanner-specific protocol settings.
| Scanner make | Siemens | United-imaging |
|---|---|---|
| Scan model | Definition (AS Plus), 128-slices | uCT 760, 128-slices |
| Scan type | Spiral | Spiral |
| Scan FOV | Lungs | Lungs |
| Rotation time, s | 0.5 | 0.5 |
| Pitch | 1.1 | 1.1 |
| kVp | 120 | 120 |
| Inspiratory mAs | Effective mAs 200 | Effective mAs 200 |
| Expiratory mAs | Effective mAs 50 | Effective mAs 50 |
| Dose modulation | Care dose off | Care dose off |
| Algorithm 1 | B35f | B_SOFT_B |
| Algorithm 2 | B46f | B_SHARP_C |
| Matrix | 512×512 | 512×512 |
| Additional image filters | No selection | No selection |
| Thickness, mm | 0.75 | 0.75 |
| Interval, mm | 0.5 | 0.5 |
FOV, field of view.