Skip to main content

Table 2 The percent difference of parallel imaging quality parameters (left-to-right encoding direction) comparing both 32-channel arrays

From: Assessment of a novel 32-channel phased array for cardiovascular hybrid PET/MRI imaging: MRI performance

PET/MRI 32-ch and MR-only 32-ch percentage difference (%)

 

R = 1

R = 2

R = 3

R = 4

R = 6

SNR0

10.3

19.2

11.7

− 1.1

−0.2

SNRg

5.2

4.4

10.4

16.9

45.6

Noise correlation coefficients

18.4

11.6

11.2

10.2

10.7

Max g-factor

0

6.0

− 5.1

− 16.4a

− 107.0a

Mean g-factor

0

0.5

− 5.5

− 15.9a

− 74.7a

Mean 1/g-factor

0

− 0.3

5.9

11.9

39.3

  1. aNegative values in this table indicate advantage of the PET/MRI 32ch array over the MRI-only 32ch array