Table 1:

Dose levels and reconstruction kernels for unenhanced CT examinations used in this study

Tube Current SettingCTDIvol (mGy)Reconstruction Kernel (Type, Strength)
250 eff. mAs38.1J40 (IR 2)
200 eff. mAs30.5H40 (FBP)
100 eff. mAs15.2J40 (IR 2)
100 eff. mAs15.2H40 (FBP)
50 eff. mAs7.6J40 (IR 2)
50 eff. mAs7.6H40 (FBP)
25 eff. mAs3.8J40 (IR 2)