| Sphere size | Background voxel COV | |||||
---|---|---|---|---|---|---|---|
 | 10 mm | 13 mm | 17 mm | 22 mm | 28 mm | 37 mm | |
OSEM | 53 | 80 | 96 | 102 | 110 | 110 | 12.9 |
Matched voxel COV | Â | Â | Â | Â | Â | Â | Â |
 TOF (%) | 58 (4.4) | 84 (3.4) | 97 (3.2) | 101 (2.4) | 110 (2.4) | 113 (3.8) | 12.8 (0.23) |
 HD (%) | 73 (7.1) | 123 (4.5) | 122 (2.9) | 121 (5.3) | 121 (3.8) | 123 (2.8) | 12.8 (0.38) |
 UHD (%) | 89 (6.6) | 138 (7.5) | 129 (3.1) | 123 (2.7) | 125 (4.0) | 127 (4.2) | 12.7 (0.43) |
Matched SUVmax | Â | Â | Â | Â | Â | Â | Â |
 TOF (%) | 55 (3.8) | 80 (2.8) | 94 (2.9) | 98 (1.8) | 107 (2.3) | 110 (2.9) | 11.2 (0.37) |
 HD (%) | 47 (3.0) | 80 (2.3) | 103 (2.7) | 102 (3.5) | 105 (1.3) | 106 (0.9) | 7.57 (0.17) |
 UHD (%) | 49 (1.9) | 81 (1.8) | 102 (2.0) | 100 (1.2) | 104 (2.0) | 105 (1.2) | 6.27 (0.33) |