TABLE 6.
QC metrics for T2∗ sMRI scans.
| SNR | SVNR | CNR | CVNR | TCTV | FWHM | CoM | |
| S1 | 26.1 ± 0.3 | 214 ± 4 | 2.2 ± 0.9 | 343 ± 32 | 0.21 ± 0.09 | 21.3 ± 0.3 | 0.19 ± 0.01 |
| S2 | 30.5 ± 0.2 | 285 ± 5 | 1.1 ± 0.9 | 335 ± 56 | 0.09 ± 0.08 | 21.2 ± 0.5 | 0.20 ± 0.00 |
| S3 | 28.7 ± 1.5 | 252 ± 18 | 1.3 ± 0.6 | 235 ± 34 | 0.11 ± 0.05 | 22.7 ± 0.2 | 0.19 ± 0.01 |
| S4 | 25.9 ± 0.7 | 243 ± 10 | 1.0 ± 0.5 | 475 ± 80 | 0.08 ± 0.04 | 20.9 ± 0.3 | 0.18 ± 0.01 |
| All | 27.8 ± 0.7 | 248 ± 9 | 1.4 ± 0.7 | 347 ± 51 | 0.12 ± 0.07 | 21.5 ± 0.3 | 0.19 ± 0.01 |
| P | 107.5 ± 2.1 | 582 ± 17 | – | – | – | 35.9 ± 0.5 | 0.19 ± 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.