Table 7 SUV_max, SUV_mean, standard deviation and background variability quantitative indexes measured on the healty hepatic region on PET100, PET50 and PET50 + SP series of our patients

SUV_max

Mean value

3.4

4.0

3.4

4.0

3.6

Standard deviation

0.6

0.8

0.7

0.7

0.6

Mean ΔSUV_max

–

19.7%

2.3%

–

− 9.6%

Std dev of ΔSUV_max

–

12.2%

7.9%

–

5.1%

SUV_mean

Mean value

2.2

2.2

2.3

2.6

2.7

Standard deviation

0.4

0.4

0.4

0.4

0.4

Mean ΔSUV_peak

–

0.2%

4.1%

–

5.0%

Std dev of ΔSUV_peak

–

1.3%

4.1%

–

2.2%

SD

Mean value

0.29

0.39

0.28

0.35

0.25

Standard deviation

0.08

0.09

0.08

0.08

0.07

Mean ΔSD

–

34.0%

− 4.2%

–

− 28.2%

Std dev of ΔSD

–

12.0%

9.8%

–

11.9%

BV

Mean value

13.1

17.3

12.0

13.5

9.3

Standard deviation

3.2

3.3

3.1

2.5

2.6

Mean ΔBV

–

34%

− 7.9%

–

− 31.5%

Std dev of ΔBV

–

12%

9.9%

–

12.1%