Table 1.
CT imaging parameter settings
| ID | Vendor | CT machine | Row | Tube voltage (kV) | Pixel spacing (mm) | Slice thickness (mm) | Kernel | Reconstruction interval (mm) | Delay (sec) | Contrast type | Contrast (ml) | Contrast dose (ml/kg) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | GE | Optima CT660 | 64 | 100 | 0.814 | 3.75 | Standard | 1.5 | 60 | Omnipaque 300 | 60 | 1.0 |
| 2 | GE | Optima CT660 | 64 | 120 | 0.672 | 3.75 | Standard | 2.5 | 60 | Omnipaque 300 | 70 | 1.0 |
| 3 | Siemens | Definition AS | 64 | 140 | 0.977 | 2 | I30f\3 | 1.5 | 60 | Omnipaque 300 | 70 | 0.9 |
| 4 | Siemens | Definition AS | 64 | 100 | 0.596 | 2 | I26f\3 | 1.5 | 60 | Omnipaque 300 | 70 | 1.0 |
| 5 | Siemens | Definition Flash | 128 | 100 | 0.727 | 2 | B20f | 1.5 | 60 | Omnipaque 300 | 60 | 0.9 |
| 6 | Siemens | Definition Flash | 128 | 120 | 0.719 | 5 | B30f | 5 | 60 | Omnipaque 300 | 70 | 0.7 |
CT, computed tomography