Table 2.
Measured Rs for the X-Cal PET Phantoms
Batch | Date | N | R mean | R SD | u (%) |
---|---|---|---|---|---|
1 | 2011 | 4 | 0.95 | 0.006 | 0.92 |
2 | 2013 | 10 | 0.92 | 0.011 | 1.28 |
The last column is the average COV of the voxel values in the ROIs, u, and is a metric of spatial uniformity.