Table 3: Routine and optimized protocols.
Phantom |
Protocol |
Voltage (kV) |
Charge (mA.s) |
CTDIVOL (mGy) |
Adult (16 cm) |
Routine |
120 |
200 |
39.92 ± 0.21* |
Opt. 1 |
120 |
160 |
31.93 ± 0.16 |
|
Opt. 2 |
100 |
240 |
31.22 ± 0.28 |
|
Opt. 3 |
80 |
420 |
28.87 ± 0.18 |
|
Pediatric (12 cm) |
Routine |
120 |
200 |
49.67 ± 0.82 |
Opt. 4 |
120 |
100 |
24.83 ± 0.41 |
|
Opt. 5 |
100 |
144 |
23.23 ± 0.18 |
|
Opt. 6 |
80 |
240 |
20.89 ± 0.20 |
*Standard deviation