From: The role of 18FDG PET/CT imaging of aortic atherosclerosis: prospective study and technique optimization
Aortic arch FDG activity
Range
Mean
SD
P value
Early SUVmax
1.1 to 2.5
1.734
0.4074
0.3
Delayed SUVmax
1.1 to 2.9
2.050
0.4400
0.01
Retention index percentage
0 to 60
21%
25
0.0001
Grading of delayed FDG activity
Ranging between grade 1 and 2