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Table 3: 
Mean qualitative image scores for the depiction of simulated aneurysms and blebs^a
CTDIw (mGy) 15 mg I/mL 20 mg I/mL
80 kV(p) 100 kV(p) 120 kV(p) 135 kV(p) 80 kV(p) 100 kV(p) 120 kV(p) 135 kV(p)
33 1.86 ± 0.54^b 2.86 ± 0.66 2.29 ± 0.72^b 1.79 ± 0.58^b 3.07 ± 0.62^b 3.57 ± 0.65 3.36 ± 0.63 2.71 ± 0.47^b
38 2.07 ± 0.73^b 3.07 ± 0.62 2.57 ± 0.85^b 2.21 ± 0.80^b 3.29 ± 0.61^b 3.79 ± 0.58 3.57 ± 0.51 2.92 ± 0.61^b
43 2.57 ± 0.65^b 3.14 ± 0.66 2.85 ± 0.77^b 2.28 ± 0.82^b 3.50 ± 0.65^b 3.92 ± 0.48 3.85 ± 0.66 3.07 ± 0.62^b
48 3.36 ± 0.63 3.29 ± 0.61 2.71 ± 0.91^b 4.07 ± 0.48 4.00 ± 0.55 3.29 ± 0.61^b
53 3.71 ± 0.61 3.57 ± 0.51 2.86 ± 0.77^b 4.43 ± 0.65 4.21 ± 0.70 3.57 ± 0.51^b


a Data are the mean ± SD.


b Statistically significant difference at identical CTDIws, compared with the value of the standard CT image at 100 kV(p).