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Tumor VOI Counts for 3.63-cm-Radius Sphere at Different Values of b for Uniform and Nonuniform Background Activity Distributions
| VOI counts* |
||||
|---|---|---|---|---|
| Background | b = 0 | b = 1/8 | b = 1/5 | b = 1/3 |
| Uniform | 541.2 (0) | 547.2 (1.0) | 548.5 (1.3) | 551.2 (1.8) |
| Nonuniform 1 | 555.7 (2.7) | |||
| Nonuniform 2 | 558.3 (3.2) | |||
Values in parentheses are percentage differences from counts corresponding to b = 0 case.
