TABLE 4
CT Radiation Dose Reduction
CT dose index
FBP CT
ASiR CT
P
CTDI
vol
(mGy)
8.5 ± 3.7
3.0 ± 2.0
<0.0001
DLP (mGy⋅cm)
365 ± 160
148 ± 85
<0.0001
Effective dose (mSv)
5.5 ± 2.4
2.2 ± 1.3
<0.0001
Data are mean ± SD.