Table 1.
Gamma values calculated by Dosimetry Check system with fluence from EPID, seven29, and MatriXX on 15 IMRT plans.
| Anatomical Site | EPID | seven29 | Matrixx |
|---|---|---|---|
| Abdomen | 98.85% | 98.08% | 94.90% |
| Brain 1 | 97.77% | 95.09% | 93.51% |
| Brain 2 | 94.03% | 94.30% | 95.03% |
| Brain 3 | 99.26% | 98.45% | 97.70% |
| Head and Neck 1 | 92.51% | 92.68% | 90.62% |
| Head and Neck 2 | 98.59% | 93.74% | 96.33% |
| Head and Neck 3 | 96.86% | 96.48% | 95.56% |
| Liver 1 | 99.09% | 97.93% | 98.22% |
| Liver 2 | 99.62% | 98.90% | 99.13% |
| Liver 3 | 99.46% | 97.61% | 97.13% |
| Lung 1 | 93.71% | 92.19% | 93.64% |
| Lung 2 | 95.66% | 92.34% | 93.38% |
| Lung 3 | 96.12% | 95.59% | 93.59% |
| Prostate 1 | 93.85% | 92.60% | 92.61% |
| Prostate 2 | 96.28% | 94.82% | 93.68% |
| Average | 96.78% | 95.39% | 95.00% |
| SD | 2.41% | 2.40% | 2.34% |