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Radiation exposure
| Scanner-A | Scanner-B | p-value | |
|---|---|---|---|
| Mean CTDIvol (mGy) | |||
| Unenhanced scan | 15.4 ± 2.9 | 13.4 ± 3.3 | <0.01 |
| Arterial phase | 13.7 ± 2.4 | 13.5 ± 3.3 | 0.70 |
| Portal venous phase | 13.7 ± 1.7 | 13.7 ± 3.2 | 0.96 |
| Equilibrium phase | 12.1 ± 2.1 | 12.7 ± 2.8 | 0.34 |
CTDIvol, volume CT dose index.
Note—data are the mean ± SD.
