Abstract 114 Table 1
Scanning protocol
Retrospective Gating—dose modulation
Prospective gating
Zero padding—100 kV
Final 6 months
Number of Patients
150
489
636
461
Mean Effective Dose (mSv)
29.6
13.6
7.4
5.9
CIs (99%) (mSv)
33
14.9
8
6.5
26.6
12.5
6.8
5.3