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Table 2 Averaged relative difference \( \left({\boldsymbol{\varepsilon}}_{\boldsymbol{x}}^{\mathbf{rel}}\right) \) (Equation 1 ) of SUV mean and max

From: Dental artifacts in the head and neck region: implications for Dixon-based attenuation correction in PET/MR

ROI

\( {\boldsymbol{\varepsilon}}_{\mathbf{mean}}^{\mathbf{rel}} \) (± std)%

Range [%]

\( {\boldsymbol{\varepsilon}}_{\mathbf{max}}^{\mathbf{rel}} \) (± std)%

Range [%]

GroupINNER: internal signal void

 Inpainted area

−57 (10)

−82 to −23

−26 (11)

−49 to −3.3

 Lower tongue

−1.6 (6.0)

−29 to 10

−1.0 (4.8)

−23 to 10

 Tongue

−3.4 (10)

−82 to 6.1

−1.6 (8.6)

−70 to 4.5

 Masticatory muscles

0.5 (1.0)

−2.8 to 4.5

0.3 (1.1)

−3.2 to 4.1

 Cerebellum

−0.1 (0.1)

−0.4 to 0.0

0.0 (0.8)

−2.3 to 4.5

GroupOUTER: signal void affecting exterior body contour

 Inpainted area

−48 (10)

−78 to −26

−24 (10)

−58 to −5.4

 Lower tongue

−29 (30)

−90 to 1.4

−23 (26)

−79 to 4.4

 Tongue

−30 (29)

−89 to 2.0

−22 (25)

−84 to 3.4

 Masticatory muscles

−1.8 (5.4)

−11 to 17

−2.7 (4.6)

−9.9 to 17

 Cerebellum

−1.8 (1.6)

−7.0 to 0.1

−1.8 (2.2)

−11 to 2.4