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 |