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EJNMMI Physics

Table 2 Standard protocols 1s–13s

From: Variability in PET image quality and quantification measured with a permanently filled 68Ge-phantom: a multi-center study

Protocol number

Standard protocol

Slice thickness (mm)

Pixel size (mm)

Iterations/subsets

Background bias correction factor*

1s

3

2.74

2/21

0.95

2s

3

2.74

2/21

0.92

3s

3

2.49

4/10

0.93

4s

2.03

2.74

2/21

0.91

5s

3

2.36

8/5

0.91

6s

3

2.74

2/21

1.10

8s

3.27

2.73

3/16

0.94

9s

3.27

2.73

3/16

0.95

10s

2.79

2.73

3/16

0.91

11s

2.79

2.73

3/16

0.97

12s

2.8

2.73

3/16

0.96

13s

2.79

2.73

3/16

0.93

  1. The numbering refers to the same scanners as in Table 1. Standard protocol was not available for scanners 7 and 14. All routine protocols used OSEM reconstruction, TOF and PSF correction. The matrix size was 256 × 256
  2. *Mean from 20 images with std of 0.000–0.006
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