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

From: Clinical and phantom validation of a deep learning based denoising algorithm for F-18-FDG PET images from lower detection counting in comparison with the standard acquisition

 

PET100

PET50

PET50 + SP

PET100

PET100 + SP

110 patients

20 patients IMC > 30

SUVmax

     

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 ΔSUVmax

19.7%

2.3%

− 9.6%

Std dev of ΔSUVmax

12.2%

7.9%

5.1%

SUVmean

     

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 ΔSUVpeak

0.2%

4.1%

5.0%

Std dev of ΔSUVpeak

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%

  1. On the right side of the table, the measured for the subgroup of patients with a elevated BMI (> 30)