Objective noise and signal-to-noise ratio measurements
| Objective noise | signal-to-noise ratio | |||||||
|---|---|---|---|---|---|---|---|---|
| Veo Mean±SD | FBP Mean±SD | p Value | Decrease (%) | Veo Mean±SD | FBP Mean±SD | p Value | Increase (%) | |
| Trachea | ||||||||
| Axial | 20.1±3.6 | 26.1±9.3 | <0.01 | −23 | 47.5±7.8 | 42.5±10.9 | 0.04 | 12 |
| Coronal | 21.1±3.4 | 24.4±7.1 | 0.02 | −13 | 45.7±7.3 | 43.4±9.7 | 0.24 | 5 |
| Descending aorta | ||||||||
| Axial | 20.1±3.2 | 25.1±5.4 | <0.001 | −20 | 1.7±0.6 | 1.3±0.3 | <0.001 | 33 |
| Coronal | 19.8±3.3 | 24.5±4.5 | <0.001 | −19 | 1.6±0.6 | 1.3±0.3 | <0.01 | 22 |
| Lung | ||||||||
| Axial | 25.8±5.1 | 32.8±14.4 | 0.02 | −21 | 34.1±6.6 | 31.6±10.5 | 0.25 | 8 |
| Coronal | 27.2±6.1 | 34.3±10.5 | <0.001 | −21 | 32.3±7.3 | 28.5±6.9 | 0.03 | 13 |
FBP, filtered back projection.