From: The role of 18FDG PET/CT imaging of aortic atherosclerosis: prospective study and technique optimization
Ascending aorta FDG activity
Range
Mean
SD
P value
Early SUVmax
0.8 to 2.7
1.772
0.4185
0.2
Delayed SUVmax
0.8 to 3.1
2.140
0.4901
0.02
Retention index percentage
1 to 50%
22%
20
0.01
Grading of delayed FDG activity
Ranging between grade 1 and 2