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Table 6 ROI analysis for the PET group

From: Accurate hybrid template–based and MR-based attenuation correction using UTE images for simultaneous PET/MR brain imaging applications

Region

Method

PETUTE - PETref

PETUCL - PETref

PETsUTEcont - PETref

PETsUTEfix - PETref

Mean

SD

Mean

SD

Mean

SD

Mean

SD

Full brain

−5.6*

1.1

3.8*

1.5

1.3

1.9

0.0

2.0

Accumbens

−2.93*

0.67

−0.37

0.97

0.7

1.3

0.3

1.3

Amygdala

−3.3*

1.2

−1.4

1.5

1.38*

0.97

1.14*

0.98

Brain stem

−6.3*

2.5

−1.7*

1.9

2.2*

1.6

2.5*

2.0

Caudate

−3.20*

0.60

−1.41

0.95

0.6

1.0

0.0

1.0

Cerebellum

−6.4*

1.6

4.6*

2.6

3.4*

2.5

2.8

2.7

Frontal lobe

−5.95*

0.59

4.9*

2.0

0.4

2.8

−1.7

2.7

Hippocampus

−3.7*

1.2

−1.1*

1.3

1.5*

1.1

1.2*

1.1

Insula

−4.17*

0.82

0.3

1.1

1.0

1.4

0.4

1.5

Occipital lobe

−7.0*

2.3

6.4*

2.2

2.5*

1.8

1.0

1.7

Pallidum

−3.22*

0.69

−0.33

0.89

0.9

1.1

0.4

1.1

Parietal lobe

−5.6*

1.4

4.4*

1.8

1.3

1.9

−1.1

1.8

Putamen

−3.82*

0.87

0.1

1.0

0.9

1.3

0.3

1.3

Temporal lobe

−5.3*

1.2

3.33

2.0

1.1

2.3

0.9

2.4

Thalamus

−3.16*

0.51

−0.74

0.77

0.8

1.0

0.2

1.0

White matter

−4.78*

0.88

0.96

0.94

1.0

1.4

−0.0

1.4

  1. *- differences between tested method and PETref considered statistically significant (p < 0.05)
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BMC Medical Imaging

ISSN: 1471-2342

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