PET IQ, Measured Uniformity, and Spill-Over Ratios (SOR) Using the Default Reconstruction Methods and the Standardized Reconstruction Method
| Default protocol | Standardized protocol | |||||
| Scanner | Uniformity (SD%) | SOR water | SOR air | Uniformity (SD%) | SOR water | SOR air |
| 1 | 6.4±0.01 | 0.18±0.04 | 0.13±0.03 | 6.4±0.01 | 0.18±0.04 | 0.13±0.03 |
| 2 | 4.1±1.00 | 0.09±0.01 | 0.09±0.01 | 4.1±1.00 | 0.09±0.01 | 0.09±0.01 |
| 3 | 3.4±0.17 | 0.01±0.01 | 0.02±0.01 | 3.4±0.17 | 0.01±0.01 | 0.02±0.01 |
| 4 | 5.2±0.60 | 0.28±0.04 | 0.22±0.04 | 6.4±0.00 | 0.21±0.00 | 0.13±0.00 |
| 5 | 16.7±0.55 | 0.24±0.01 | 0.12±0.02 | 10.6±0.00 | 0.27±0.00 | 0.17±0.00 |
Values expressed as mean ± standard deviation, n = 3.