TABLE 3
Cold Rod Contrast for 6 Sectors of ACR PET Phantom
Parameter
Rod diameter (mm)
12.7
11.1
9.5
7.9
6.4
4.8
Mean contrast
0.598
0.508
0.389
0.234
0.080
−0.011
SD
0.011
0.007
0.008
0.012
0.005
0.007
Data are for 17 studies.