Table 2.
Global gamma evaluation (3 mm/3%) results of AAPM TG 119 benchmark IMRT plans.
| Energy | Benchmark plans | Gamma passing rates (%) |
||||
|---|---|---|---|---|---|---|
| Planar analysis |
Volumetric analysis | |||||
| 2D |
3D |
|||||
| Coronal | Sagittal | Coronal | Sagittal | |||
| 6 MV | Multi-target | 96.8 | 98.1 | 97.0 | 98.1 | 96.7 |
| Prostate | 95.2 | 95.6 | 96.9 | 95.1 | 97.9 | |
| Head and neck | 95.4 | 95.8 | 95.6 | 95.3 | 96.1 | |
| C-shape | 95.6 | 97.3 | 97.0 | 97.4 | 97.6 | |
| 15 MV | Multi-target | 98.5 | 98.6 | 98.5 | 98.6 | 99.7 |
| Prostate | 95.8 | 95.6 | 95.4 | 95.5 | 98.7 | |
| Head and neck | 95.2 | 96.9 | 95.5 | 97.2 | 98.1 | |
| C-shape | 96.9 | 96.8 | 97.1 | 96.9 | 97.4 | |