TABLE IV.
The 3D gamma analysis result for proton treatment plans on the phantoms. The numbers represent the percentages of voxels passing the gamma evaluation.
| Gamma criteria: 3 mm/3% | Gamma criteria: 2 mm/2% | |||||
|---|---|---|---|---|---|---|
| Plan | CBCTraw | CBCTus | CBCTap | CBCTraw | CBCTus | CBCTap |
| Head | 85.6 | 87.7 | 99.5 | 78.6 | 78.1 | 98.1 |
| Thorax (lung) | 84.4 | 69.0 | 98.6 | 79.9 | 58.6 | 93.0 |
| Thorax (mediastinum) | 96.4 | 97.5 | 99.7 | 91.6 | 94.4 | 98.8 |
| Pelvis | 94.8 | 92.4 | 98.4 | 85.5 | 81.7 | 94.3 |
| Overall | 90.3 ± 5.3 | 86.7 ± 10.8 | 99.0 ± 0.6 | 83.9 ± 5.1 | 78.2 ± 12.8 | 96.0 ± 2.5 |