Table 2 Quantitative image quality results for the BH-MRA and FB-TRA sequences
BH-MRA | FB-TRA | P-value | |
|---|---|---|---|
Signal Intensity: Vessel | 156.5 ± 66.4 | 67.7 ± 14.5* | P < 0.0001 |
Standard Deviation: Vessel | 36.9 ± 21.0 | 15.4 ± 5.2* | P < 0.0001 |
Coefficient of Variation: Vessel (%) | 23.1 ± 5.7 | 22.6 ± 5.0 | P = 0.52 |
Signal Intensity: Tissue | 20.5 ± 7.9 | 11.7 ± 3.4* | P < 0.0001 |
Standard Deviation: Tissue | 7.2 ± 2.6 | 7.1 ± 2.2 | P = 0.85 |
Coefficient of Variation: Tissue (%) | 36.0 ± 6.6 | 62.7 ± 19.5* | P < 0.0001 |
SNR | 24.0 ± 11.6 | 10.5 ± 4.2* | P < 0.0001 |
CNR | 21.1 ± 11.7 | 8.8 ± 3.8* | P < 0.0001 |
Relative Contrast | 0.74 ± 0.13 | 0.70 ± 0.08* | P = 0.02 |
Edge Sharpness (mm−1) | |||
Average | 0.88 ± 0.39 | 2.33 ± 1.03* | P < 0.0001 |
Standard deviation | 0.14 ± 0.08 | 0.25 ± 0.19* | P < 0.0001 |