Skip to main content
. 2014 Nov;35(11):2045–2051. doi: 10.3174/ajnr.A4043

Table 4:

CTDIvol and DLP/ED values for whole-brain CTP examinations at 80 kVp and 70 kVp with different scanners

70 kVp 80 kVp Percentage Reduction
100% − (70 kVp/80 kVp) × 100
CTDIvol (mGy) 105 192 45.31
DLP (mGy·cm) 1588 1831 13.27
ED (mSv) 3.65 4.21 13.27

Note:—ED indicates effective dose.