NEMA ACQ and RECON OSEM (test 1) | NEMA ACQ and RECON BSREM (test 2) | NEMA ACQ and clinical RECON OSEM (test 3) | NEMA ACQ and clinical RECON BSREM (test 4) | Clinical ACQ and RECON OSEM (test 5) | Clinical ACQ and RECON BSREM (test 6) | |
---|---|---|---|---|---|---|
Sphere | Contrast recovery (%): average ± SD | |||||
10 mm | 29.4 ± 2.0 | 39.9 ± 2.5 | 17.9 ± 1.6 | 17.6 ± 2.4 | 18.0 ± 2.1 | 18.8 ± 1.1 |
13 mm | 42.9 ± 1.6 | 53.5 ± 1.1 | 30.8 ± 3.0 | 34.1 ± 3.4 | 30.7 ± 3.0 | 36.1 ± 2.2 |
17 mm | 52.9 ± 1.6 | 61.4 ± 1.5 | 45.0 ± 4.3 | 49.5 ± 3.1 | 43.8 ± 4.4 | 50.2 ± 1.6 |
22 mm | 60.5 ± 1.2 | 67.5 ± 1.4 | 54.8 ± 4.5 | 60.7 ± 2.6 | 54.9 ± 4.3 | 61.6 ± 0.5 |
28 mm | 67.9 ± 0.7 | 77.7 ± 1.0 | 59.3 ± 1.6 | 66.8 ± 2.4 | 59.3 ± 1.7 | 67.5 ± 1.5 |
37 mm | 74.6 ± 0.4 | 83.1 ± 0.6 | 66.6 ± 2.3 | 75.9 ± 1.8 | 66.9 ± 1.7 | 76.9 ± 1.1 |
Sphere | Background variability (%): average ± SD | |||||
10 mm | 7.4 ± 2.1 | 8.9 ± 0.6 | 4.3 ± 1.8 | 4.0 ± 1.2 | 4.7 ± 1.8 | 4.8 ± 1.6 |
13 mm | 5.9 ± 1.6 | 7.1 ± 0.5 | 3.8 ± 1.6 | 3.5 ± 1.1 | 4.2 ± 1.6 | 4.2 ± 1.4 |
17 mm | 4.6 ± 1.2 | 5.4 ± 0.4 | 3.2 ± 1.3 | 3.0 ± 0.8 | 3.6 ± 1.4 | 3.5 ± 1.2 |
22 mm | 3.6 ± 0.9 | 4.1 ± 0.3 | 2.8 ± 1.1 | 2.4 ± 0.6 | 3.1 ± 1.2 | 2.9 ± 0.9 |
28 mm | 2.8 ± 0.7 | 3.1 ± 0.3 | 2.3 ± 0.9 | 2.0 ± 0.4 | 2.6 ± 0.9 | 2.3 ± 0.7 |
37 mm | 2.2 ± 0.5 | 2.4 ± 0.2 | 2.0 ± 0.7 | 1.7 ± 0.4 | 2.3 ± 0.8 | 1.9 ± 0.5 |
Lung error (%): average ± SD | ||||||
16.4 ± 0.5 | 12.2 ± 0.6 | 23.1 ± 1.4 | 14.3 ± 1.1 | 22.6 ± 2.5 | 13.1 ± 1.3 |