Results of Phantom Study: Percentage of Maximum Radioactivity Relative to That at 120-Second Acquisition Time (n = 4)
| Acquisition time (s) | |||||||
|---|---|---|---|---|---|---|---|
| Sphere size (mm) | Parameter | 10 | 15 | 20 | 25 | 30 | 60 |
| 10 | Mean | 50.11 | 75.06 | 80.67 | 87.42 | 89.98 | 96.97 |
| SD | 9.04 | 8.62 | 2.97 | 2.72 | 2.13 | 5.10 | |
| 13 | Mean | 75.02 | 91.59 | 98.08 | 97.81 | 98.98 | 96.75 |
| SD | 3.75 | 3.23 | 2.61 | 1.42 | 3.93 | 2.07 | |
| 17 | Mean | 88.98 | 95.97 | 97.10 | 99.28 | 98.73 | 100.20 |
| SD | 4.01 | 1.31 | 1.83 | 0.66 | 1.75 | 1.62 | |
| 22 | Mean | 96.81 | 97.79 | 99.40 | 95.69 | 96.01 | 98.76 |
| SD | 1.79 | 3.51 | 3.40 | 2.17 | 2.25 | 1.67 | |
| 28 | Mean | 97.31 | 100.42 | 99.34 | 100.35 | 100.43 | 101.86 |
| SD | 2.65 | 1.32 | 1.85 | 2.03 | 2.82 | 2.15 | |
| 37 | Mean | 104.43 | 99.99 | 100.99 | 100.86 | 102.62 | 100.86 |
| SD | 3.21 | 2.93 | 1.36 | 2.50 | 3.26 | 0.68 | |