Table 3.
1D Gamma analysis of calculated vs film measured central axis dose profiles in plane of travel
| Plan | 3%/3 mm gamma result (% points passed) | ||||||
|---|---|---|---|---|---|---|---|
| Inferior 2 cm | Inferior 1 cm | Plan geometry | Superior 1 cm | Superior 2 cm | Average gamma | Standard deviation | |
| 10 × 10 | 95.8 | 100 | 98 | 99 | 98.7 | 98.3 | 1.6 |
| GTV | 93 | 91 | 99.7 | 100 | 100 | 96.7 | 4.4 |
| ITV | 100 | 100 | 91.7 | 96.9 | 98.8 | 97.5 | 3.5 |
| Average | 99.9 | 95.7 | 100 | 96.7 | 88.2 | 96.1 | 4.8 |
| Lung override | 93.7 | 96.7 | 81.4 | 96.7 | 99.1 | 93.52 | 7.0 |
| Robust all | 97.7 | 97.5 | 91.3 | 97 | 100 | 96.7 | 3.2 |
| Robust ext | 89.3 | 91.6 | 93.5 | 95.5 | 100 | 94.0 | 4.1 |
| Robust values | 97 | 99.9 | 100 | 95.3 | 98.2 | 98.1 | 2.0 |
| Average gamma | 95.8 | 96.6 | 94.5 | 97.1 | 97.9 | 96.4 | |
| Standard deviation | 3.7 | 3.6 | 6.4 | 1.6 | 4.0 | 1.8 | |