Table 3.
Position | kVp | Body phantom without bismuth | Body phantom with bismuth | ||||
---|---|---|---|---|---|---|---|
Mea | Sim | Differ(%) | Mea | Sim | Differ(%) | ||
Center | 120 | 0.95 | 0.97 | −2.28 | 0.81 | 0.83 | −2.75 |
80 | 0.27 | 0.26 | 5.14 | 0.22 | 0.21 | 4.22 | |
12h | 120 | 1.75 | 1.70 | 2.68 | 1.03 | 1.01 | 1.81 |
80 | 0.62 | 0.58 | 6.45 | 0.28 | 0.27 | 3.74 | |
3h | 120 | 1.75 | 1.71 | 2.67 | 1.66 | 1.64 | 1.33 |
80 | 0.62 | 0.58 | 6.12 | 0.58 | 0.56 | 2.99 | |
6h | 120 | 1.51 | 1.54 | −1.95 | 1.50 | 1.53 | −2.14 |
80 | 0.51 | 0.52 | −0.16 | 0.50 | 0.51 | −3.40 | |
9h | 120 | 1.77 | 1.73 | 2.39 | 1.68 | 1.68 | 0.36 |
80 | 0.63 | 0.59 | 7.52 | 0.62 | 0.57 | 8.94 |
Mea: Measurement, Sim: Monte Carlo simulation, Differ: Difference between measurement and simulation