Table 3.
Effective dose per 100 mAs (mSv/100 mAs), The Dose Length Product (DLP) per 100 mAs (mGy.cm/100 mAs) and k-factor (mSv.mGy−1cm−1) for liver, chest, cardiac and abdomen-pelvis imaging protocols for the Dual-energy Computed Tomography (DECT) obtained by simulation of the Oak Ridge National Laboratory (ORNL) male and female phantoms.
| Imaging protocol | Effective dose (mSv/100 mAs) | aDLP (mGy.cm/100 mAs) | bDLP (mGy.cm/100 mAs) | ak-factor (mSv.mGy−1cm−1) | bk-factor (mSv.mGy−1cm−1) | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Male | Female | Male | Female | Male | Female | Male | Female | Male | Female | |
| Liver | 1.94 | 1.99 | 97.04 | 75.47 | 107.83 | 86.26 | 0.020 | 0.026 | 0.018 | 0.023 |
| Chest | 1.32 | 2.28 | 107.79 | 97.00 | 118.58 | 107.79 | 0.012 | 0.024 | 0.011 | 0.021 |
| Cardiac | 0.71 | 1.57 | 43.55 | 43.11 | 54.34 | 53.89 | 0.016 | 0.036 | 0.013 | 0.029 |
| Abdomen-pelvis | 2.64 | 2.92 | 183.26 | 161.68 | 194.04 | 172.47 | 0.014 | 0.018 | 0.014 | 0.017 |
DLP: The dose length product
calculated by the real scan length;
calculated by the scan length with margin