Table 2. Radiation dose for the AiCE and AIDR 3D protocols.
| Parameter (mean ± SD) | All patients | BMI <20 (n=7) | BMI 20–24.9 (n=37) | BMI ≥25 (n=27) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AiCE | AIDR 3D | Dose reduction (%) | AiCE | AIDR 3D | Dose reduction (%) | AiCE | AIDR 3D | Dose reduction (%) | AiCE | AIDR 3D | Dose reduction (%) | ||||
| CTDIvol (mGy) | 10.8±3.9 | 19.4±5.6 | 44.3 | 6.9±1.1 | 11.8±2.3 | 41.5 | 8.7±2.1 | 16.8±3.1 | 48.2 | 14.7±2.9 | 25.0±3.5 | 41.2 | |||
| ED (mSv) | 4.9±2.0 | 8.7±3.0 | 43.7 | 3.1±0.7 | 5.1±1.4 | 39.2 | 3.8±1.0 | 7.3±1.6 | 47.9 | 6.9±2.4 | 11.6±2.1 | 40.5 | |||
| SSDE (mGy) | 14.6±4.1 | 26.5±5.7 | 44.9 | 10.5±1.2 | 18.4±2.7 | 42.9 | 12.5±2.4 | 24.0±3.4 | 47.9 | 18.7±2.9 | 32.0±3.3 | 41.6 | |||
AiCE, advanced intelligent clear-IQ engine; AIDR 3D, adaptive iterative dose reduction 3D; SD, standard deviation; BMI, body mass index; CTDIvol, volume CT dose index; ED, effective dose; SSDE, size-specific dose estimate.