Table 5.
Mean Volumetric Computed Tomography Dose Index (CTDI vol), average Dose Length Product (DLP) and mean total effective dose of irradiation in patients who underwent DECT and conventional brain CT.
DECT | Conventional brain CT | |
---|---|---|
Mean CTDI vol (mGy) | 21.72 | 26.96 |
Average DLP (mGy.cm) | 400 | 470 |
Mean total effective dose of irradiation | 0.84 | 0.98 |