TABLE 7.
QC metrics for FLAIR sMRI scans.
| SNR | SVNR | CNR | CVNR | TCTV | FWHM | CoM | |
| S1 | 21.4 ± 0.5 | 154 ± 12 | 8.6 ± 2.2 | 43.5 ± 17.7 | 1.31 ± 0.40 | 8.81 ± 0.27 | 0.14 ± 0.01 |
| S2 | 25.7 ± 0.9 | 212 ± 14 | 13.2 ± 0.3 | 34.1 ± 2.1 | 1.81 ± 0.04 | 9.59 ± 0.29 | 0.16 ± 0.01 |
| S3 | 25.0 ± 0.8 | 199 ± 16 | 11.0 ± 0.4 | 19.4 ± 4.1 | 1.66 ± 0.08 | 9.81 ± 0.20 | 0.15 ± 0.00 |
| S4 | 23.2 ± 1.2 | 196 ± 19 | 11.7 ± 0.9 | 34.3 ± 3.4 | 1.61 ± 0.20 | 9.73 ± 0.22 | 0.14 ± 0.01 |
| All | 23.8 ± 0.8 | 190 ± 15 | 11.1 ± 0.9 | 32.8 ± 6.8 | 1.60 ± 0.18 | 9.49 ± 0.24 | 0.15 ± 0.01 |
| P | 67.0 ± 3.9 | 186 ± 36 | – | – | – | 18.3 ± 0.6 | 0.13 ± 0.01 |
Shown are the mean μ and standard deviation σ for each subject (S1, S2, S3, and S4) as well as for the phantom (P). CNR, CVNR and TCTV for the phantom were not computed as GM/WM tissue contrast is not defined.