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Table 1 (abstract A29). Shows the image quality, spatial resolution and sensitivity results for both institutions

From: Abstracts of the Total Body PET conference 2018

Parameter GE Healthcare Siemens Healthcare
Discovery MI
PET/CT 3 Rings
Discovery MI
PET/CT 4 Rings
SIGNA
PET/MR
Biograph
mCT Flow
PET/CT
Contrast Recovery [%]
10 mm–Radioactive 44.2 53.7 48.7 28.5
13 mm–Radioactive 53.4 64.0 62.9 42.3
17 mm–Radioactive 66.4 73.1 68.1 58.4
22 mm–Radioactive 70.7 82.7 76.1 70.7
28 mm–Non-Radioactive 81.6 86.8 87.1 72.1
37 mm–Non-Radioactive 84.5 90.7 92.7 78.3
Lung Error [%] 7.8 4.4 1.6 5.6
Spatial Resolution FWHM*     
Radial, 1 cm 4.65 4.10 4.46 4.33
Axial, 1 cm 4.47 4.48 5.35 4.25
Tangential, 1 cm 4.36 4.19 4.08 4.33
Radial, 10 cm 5.54 5.47 5.81 5.16
Axial, 10 cm 5.44 6.01 6.75 5.85
Tangential, 10 cm 4.75 4.49 4.44 4.72
Radial, 20 cm 7.41 7.53 8.42 5.55
Axial, 20 cm 5.78 6.10 7.30 7.80
Tangential, 20 cm 5.18 4.90 5.27 6.48
Sensitivity – Center of FOV     
(cps/kBq) 7.26 13.7 22.9 9.60
  1. *Filtered backprojection