Percent Background variability for: | 37 mm cold sphere | 28 mm hot sphere | 22 mm hot sphere | 17 mm hot sphere | 13 mm hot sphere | 10 mm hot sphere |
16:1 | 3.72 | 2.94 | 4.31 | 3.95 | 4.91 | 4.78 |
8:1 | 3.1 | 2.72 | 3.34 | 3.81 | 4.25 | 4.99 |
4:1 | 2.89 | 2.67 | 3.57 | 4.01 | 5.02 | 6.11 |