Dose levels and reconstruction kernels for unenhanced CT examinations used in this study
| Tube Current Setting | CTDIvol (mGy) | Reconstruction Kernel (Type, Strength) |
|---|---|---|
| 250 eff. mAs | 38.1 | J40 (IR 2) |
| 200 eff. mAs | 30.5 | H40 (FBP) |
| 100 eff. mAs | 15.2 | J40 (IR 2) |
| 100 eff. mAs | 15.2 | H40 (FBP) |
| 50 eff. mAs | 7.6 | J40 (IR 2) |
| 50 eff. mAs | 7.6 | H40 (FBP) |
| 25 eff. mAs | 3.8 | J40 (IR 2) |