Table 1.
3D NDD pass rates for four simple benchmark irradiations where the TPS distribution is considered the gold standard. Highlighted in italics are the most commonly used accepted standards in radiation therapy clincs (Ref. 36).
| PDD top | PDD side | Dose plateaus | four-field-box | ||
|---|---|---|---|---|---|
| Diameter (cm) | 10 | 16 | 16 | 10 | |
| Max dose (Gy) | 10 | 6 | 12 | 4 | |
| Noise (cGy∕%) | 9.8∕1.0 | 10.0∕1.7 | 5.2∕0.43 | 7.0∕1.8 | |
| NDD pass rate | 5%, 3 mm | 99.5% | 99.1% | 98.9% | 99.9% |
| 5%, 2 mm | 99.3% | 97.3% | 97.1% | 99.5% | |
| 3%, 3 mm | 97.3% | 96.5% | 97.7% | 97.9% | |
| 3%, 2 mm | 96.3% | 93.6% | 95.3% | 96.2% | |
| 2%, 2 mm | 94.0% | 84.5% | 90.9% | 86.0% |