Table 1.
DVH parameters for the different VMAT techniques
| 2Rot | 1Rot iFo | 1RotALLW | |
| HI | 1.1 | 1.1 | 1.15 |
| CI | 1.46 | 1.54 | 1.49 |
| MU | 287 | 293 | 348 |
| TT | 370s | 185s | 188s |
| VTissue 10% PD | 13414 cm3 ≡ 38.98% | 13643 cm3 ≡ 39.6% | 12456 cm3 ≡ 36.2% |
| VTissue 30% PD | 10345 cm3 ≡ 30.1% | 10635 cm3 ≡ 30.9% | 8741 cm3 ≡ 25.4% |
| VTissue 50% PD | 7571 cm3 ≡ 22.0% | 8157 cm3 ≡ 23.7% | 5321 cm3 ≡ 15.5% |
| VTissue 70% PD | 4089 cm3 ≡ 11.9% | 4735 cm3 ≡ 13.8% | 2727 cm3 ≡ 7.9% |
| VTissue 95% PD | 430 cm3 ≡ 1.2% | 370 cm3 ≡ 1.1% | 0 cm3 ≡ 0% |
| D95% Vol PTV | 33.84 Gy ≡ 94% | 33.48 Gy ≡ 93% | 32.4 Gy ≡ 90% |
| D95% Vol Tissue | 0.75 Gy ≡ 2.09% | 0.8 Gy ≡ 2.22% | 0.02 Gy ≡ 0.06% |