Table 2 Recovery coefficients (RCs) for the cortex-only kidney phantoms, three different target-to-background ratios, and two different SPECT reconstruction iteration numbers
From: The magnitude of the partial volume effect in SPECT imaging of the kidneys: a phantom study
Cortex-only phantom name | Recovery coefficients [%] 36 iterations | Recovery coefficients [%] 72 iterations | ||||
|---|---|---|---|---|---|---|
Target-to-background ratio | Target-to-background ratio | |||||
Infinity | 10:1 | 5:1 | Infinity | 10:1 | 5:1 | |
Pat1L | 56.1 | 54.2 | 57.4 | 57.2 | 56.3 | 59.5 |
Pat1R | 60.8 | 58.8 | 61.9 | 60.6 | 60.9 | 64.2 |
Pat2L | 45.7 | 45.0 | 49.6 | 47.1 | 46.7 | 51.3 |
Pat2R | 43.5 | 43.9 | 47.7 | 46.3 | 45.8 | 50.0 |
Pat3L | 37.9 | 37.4 | 42.4 | 38.8 | 38.8 | 43.6 |
Pat3R | 36.3 | 39.1 | 48.4 | 38.0 | 40.2 | 49.5 |
Pat4L | 53.8 | 52.5 | 57.1 | 54.3 | 53.9 | 59.0 |
Pat5R | 51.8 | 52.0 | 55.1 | 54.2 | 53.0 | 56.6 |
Pat6L | 49.8 | 49.8 | 52.9 | 51.3 | 51.5 | 54.5 |
AVG ± SD | 48.4 ± 8.3 | 48.0 ± 7.2 | 52.5 ± 6.0 | 49.8 ± 7.9 | 49.7 ± 7.4 | 54.2 ± 6.3 |