Sensitivity over Central 7 cm of Axial FOV (Mouse Sensitivity), Complete Axial FOV (Total Sensitivity), and Peak Detection Efficiency for Each System Tested
| System | Energy window (keV) | Axial length (cm) | Mouse sensitivity (%) | Total sensitivity (%) | Peak detection efficiency (%) |
| microPET P4 | 350–650 | 7.8 | 0.67 | 0.61 | 1.19 |
| microPET R4 | 350–650 | 7.8 | 1.19 | 1.10 | 2.06 |
| microPET Focus 220 | 350–650 | 7.6 | 1.26 | 1.18 | 2.28 |
| microPET Focus 120 | 350–650 | 7.6 | 1.98 | 1.82 | 3.42 |
| Inveon | 350–625 | 12.7 | 4.0 | 2.8 | 6.72 |
| ClearPET | 250–650 | 11.0 | 2.32 | 1.87 | 3.03 |
| Mosaic HP | 385–665 | 11.9 | 2.43 | 1.77 | 2.83 |
| Argus | 250–700 | 4.8 | 4.32 | ||
| VrPET | 100–700 | 4.56 | 1.09 | 1.09 | 2.22 |
| LabPET 8 | 250–650 | 7.5 | 1.45 | 1.42 | 2.36 |
| LabPET 12 | 250–650 | 11.25 | 3.6 | 2.74 | 5.4 |