Table 3 Statistical significances of the absolute differences in image quality parameters between chosen and discarded acquisitions from zero.
Protocol | UQI | Sharpness | SNR | Specific SNR | Structured noise max | Structured noise avg | N/2 ghosting max | N/2 ghosting avg | Drift | Variation over time | Foreground ratio |
---|---|---|---|---|---|---|---|---|---|---|---|
All | 0.86 1396 | < 0.001 1396 | 0.003 1374 | < 0.001 281 | < 0.001 796 | < 0.001 796 | < 0.001 808 | < 0.001 808 | - 1 | - 1 | 0.04 1374 |
T1w 3D MPRAGE | 0.002 87 | < 0.001 87 | < 0.001 87 | 0.83 87 | 0.001 87 | < 0.001 87 | 0.17 87 | 0.06 87 | NA | NA | 0.18 87 |
2D FLAIR | < 0.001 191 | < 0.001 191 | < 0.001 191 | < 0.001 191 | < 0.001 191 | < 0.001 191 | < 0.001 191 | < 0.001 191 | NA | NA | < 0.001 191 |
Resting state EPI BOLD | - 1 | - 1 | - 1 | - 1 | - 1 | - 1 | - 1 | - 1 | - 1 | - 1 | - 1 |
MRA 3D SPACE STIR | 0.79 20 | 0.93 20 | NA | NA | NA | NA | NA | NA | NA | NA | NA |
Cine SSFP LAX 2Ch | 0.24 303 | 0.16 303 | 0.90 303 | NA | 0.47 14 | 0.47 14 | 0.50 16 | 0.50 16 | NA | NA | 0.90 303 |
Cine SSFP LAX 3Ch | 0.32 306 | < 0.001 306 | 0.004 306 | NA | < 0.001 264 | < 0.001 264 | < 0.001 267 | < 0.001 267 | NA | NA | 0.002 306 |
Cine SSFP LAX 4Ch | 0.08 305 | < 0.001 305 | 0.67 305 | NA | 0.30 71 | 0.30 71 | 0.88 79 | 0.88 79 | NA | NA | 0.65 305 |
Cine SSFP SAX | 0.01 63 | 0.008 63 | 0.42 63 | NA | 0.04 59 | 0.03 59 | 0.07 59 | 0.006 59 | NA | NA | 0.49 63 |
MOLLI | 0.15 6 | 0.03 6 | 0.64 6 | NA | - 2 | - 2 | - 1 | - 1 | NA | NA | 0.37 6 |
T2w HASTE | 0.60 29 | 0.39 29 | 0.70 29 | NA | 0.33 29 | 0.71 29 | 0.18 29 | 0.48 29 | NA | NA | 0.03 29 |
T1w 3D VIBE DIXON | 0.04 52 | 0.15 52 | 0.38 52 | NA | 0.14 52 | 0.76 52 | 0.06 52 | 0.96 52 | NA | NA | 0.14 52 |
Multiecho 3D VIBE | 0.001 29 | 0.25 29 | 0.12 29 | NA | 0.93 24 | 0.76 24 | 0.66 24 | 0.18 24 | NA | NA | 0.03 29 |
PDw FS 3D SPACE | - 2 | - 2 | NA | NA | NA | NA | NA | NA | NA | NA | NA |
T2w 2D FSE | - 2 | - 2 | - 2 | - 2 | - 2 | - 2 | - 2 | - 2 | NA | NA | - 2 |