Table 2.
Mean lung shunt fraction (with standard deviation in parenthesis) corresponding to planar and SPECT/CT scans of the phantom
| LSF | |||
|---|---|---|---|
| Actual | 0.0% | 3.6% | 6.9% |
| Planar (anterior liver, posterior lung) | 1.67% (0.01%) | 5.12% (0.03%) | 8.21% (0.05%) |
| Planar (geometric mean) | 2.46% (0.02%) | 8.17% (0.03%) | 13.39% (0.02%) |
| SPECT/CT without corrections | 1.28% (0.01%) | 7.15% (0.02%) | 12.13% (0.03%) |
| SPECT/CT with AC | 0.67% (0.01%) | 3.98% (0.02%) | 6.83% (0.03%) |
| SPECT/CT with AC and SC | 0.10% (0.07%) | 3.10% (0.01%) | 6.22% (0.03%) |