TABLE 5.
QC metrics for T1-weighted sMRI scans.
| SNR | SVNR | CNR | CVNR | TCTV | FWHM | CoM | |
| S1 | 29.3 ± 0.5 | 251 ± 60 | 12.5 ± 0.1 | 83 ± 61 | 1.99 ± 0.34 | 10.7 ± 0.1 | 0.16 ± 0.00 |
| S2 | 31.8 ± 3.4 | 316 ± 52 | 10.3 ± 6.0 | 148 ± 111 | 1.44 ± 0.55 | 11.0 ± 0.2 | 0.18 ± 0.01 |
| S3 | 30.6 ± 0.8 | 260 ± 17 | 15.9 ± 6.8 | 374 ± 52 | 1.44 ± 1.06 | 10.4 ± 0.1 | 0.17 ± 0.01 |
| S4 | 30.9 ± 1.8 | 259 ± 28 | 14.4 ± 0.6 | 140 ± 112 | 1.93 ± 0.91 | 11.2 ± 0.2 | 0.15 ± 0.01 |
| All | 30.7 ± 1.7 | 272 ± 26 | 13.3 ± 3.4 | 184 ± 83 | 1.70 ± 0.78 | 10.8 ± 0.1 | 0.17 ± 0.01 |
| P | 125.9 ± 2.5 | 569 ± 30 | – | – | – | 27.8 ± 0.4 | 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.