Table 3:
Voxel-by-Voxel Phantom Comparison. Bland-Altman analysis is presented with the mean difference and limits of agreement (LOA). CV= coefficient of variation.
| Voxel-by-Voxel Analysis | ||||||
|---|---|---|---|---|---|---|
| Bland-Altman Analysis | Correlation Analysis | |||||
|
Mean difference (m/s) |
LOA (m/s) | CV(%) | Slope | Intercept | ICC | |
| R = 5.4 | −0.0012 | 0.079 | 17.3 | 1.00 | <0.001 | 0.993* |
| R = 6.4 | >−0.001 & <0.001 | 0.076 | 16.7 | 1.00 | −0.0012 | 0.993* |
| R = 7.7 | >−0.001 & <0.001 | 0.078 | 17.0 | 1.00 | <0.001 | 0.993* |
| R =8.9 | <0.001 | 0.082 | 18.5 | 0.99 | 0.0023 | 0.992* |
| R = 10.2 | <0.001 | 0.085 | 18.3 | 0.99 | 0.0015 | 0.991* |
| R = 11.5 | >−0.001 & <0.001 | 0.087 | 18.7 | 0.99 | 0.0028 | 0.991* |
| R = 12.8 | −0.0029 | 0.087 | 18.4 | 0.98 | 0.0014 | 0.991* |
| R = 13.4 | −0.0022 | 0.089 | 19.2 | 0.98 | 0.0026 | 0.990* |
| R = 14.1 | −0.0032 | 0.090 | 18.8 | 0.99 | <0.001 | 0.990* |
(*)
means P<0.001 for correlation anayses ICC.