Table 2 SUV values derived from a digital reference object smoothed by a 17-mm Gaussian filter (DRO_17 mm)

SUV_mean

SUV_peak

SUV_max

Sphere diameter (mm)

10

1.18

1.17

1.20

13

1.36

1.38

1.42

17

1.67

1.77

1.86

22

2.12

2.40

2.53

28

2.55

3.14

3.29

37

2.94

3.82

3.91