Skip to main content
EJNMMI Physics

Table 2 Subjective image quality assessed with a 5-point Likert scale

From: 11C-CFT PET brain imaging in Parkinson’s disease using a total-body PET/CT scanner

 

G900

G720

G600

G480

G300

G180

G120

G60

G30

Overall image quality

5.0 ± 0.0

5.0 ± 0.0

4.9 ± 0.3

4.8 ± 0.4*

4.5 ± 0.6*

3.6 ± 0.8*

3.0 ± 0.6*

2.3 ± 0.6*

1.5 ± 0.6*

Image noise

5.0 ± 0.0

4.9 ± 0.2

4.9 ± 0.2

4.8 ± 0.4*

4.3 ± 0.6*

3.5 ± 0.7*

2.9 ± 0.7*

2.3 ± 0.6*

1.5 ± 0.6*

Lesion conspicuity

5.0 ± 0.0

5.0 ± 0.0

4.9 ± 0.2

4.9 ± 0.4

4.5 ± 0.6*

3.6 ± 0.8*

3.1 ± 0.9*

2.1 ± 0.9*

1.4 ± 0.6*

  1. All data are presented as the mean ± standard deviation
  2. * Indicates P < 0.05 and G900 images serve as a quality reference
Back to article page