Table II.
Quantification bias in material-specific images (iodine/gadolinium/water (I/Gd/W)).
Sample 1 | Sample 2 | Sample 3 | Sample 4 | Sample 5 | Sample 6 | Sample 7 | Sample 8 | |
---|---|---|---|---|---|---|---|---|
Nominal concentration (I/Gd/W mg/cc) |
15.0/0.0/997.0 | 7.5/0.0/998.5 | 4.0/0.0/999.2 | 0.0/10.2/998.7 | 0.0/5.0/999.4 | 0.0/2.8/999.6 | 7.5/5.0/997.8 | 4.0/2.8/998.8 |
Bias at 80/Sn150 (I/Gd/W mg/cc) |
0.4/−0.1/0.1 | −0.3/0.1/0.1 | 0.2/0.2/−0.0 | 0.7/−0.4/−0.1 | 0.4/−0.2/−0.0 | −0.1/−0.1/0.0 | 0.8/−0.5/−0.1 | 0.8/−0.5/−0.1 |
Bias at 90/Sn150 (I/Gd/W mg/cc) |
0.4/0.3/−0.1 | 0.1/−0.2/−0.0 | −0.3/−0.2/0.0 | −0.4/0.3/0.0 | −0.1/0.1/0.0 | −0.6/0.4/0.1 | 0.2/−0.9/−0.0 | 1.2/−0.7/−0.2 |
Bias at 100/Sn150 (I/Gd/W mg/cc) |
−1.1/−0.6/0.1 | 0.2/−0.2/−0.0 | 1.1/0.7/−0.1 | 0.0/0.0/−0.0 | 1.1/−0.7/−0.1 | 0.9/−0.7/−0.1 | 0.5/−0.4/−0.1 | 1.4/−0.2/−0.2 |