Table 3.
Results of the comparison between the CBCT metrics of VMAT and IMPT (boost and non-boost cases) for three patients. The value in each cell is the median of the metric values for IMPT and VMAT for both arms.
| Rectum |
Bladder | PTV |
Index |
||||||
|---|---|---|---|---|---|---|---|---|---|
| Arm | Modality | NTCP (%) |
D1cm3 (Gy) |
V70Gy (%) |
NTCP (%) |
D95% (Gy) |
DMEAN (Gy) |
D95% (Gy) |
DMEAN (Gy) |
| Boost | VMAT | 5 | 74.6 | 8.7 | 17 | 73.0 | 76.9 | 92.3 | 96.3 |
| IMPT | 5 | 75.6 | 7.8 | 20 | 73.2 | 77.5 | 92.6 | 96.6 | |
| Non-boost | VMAT | 5 | 73.2 | 9.5 | 18 | 73.3 | 76.5 | – | – |
| IMPT | 4 | 74.7 | 7.9 | 22 | 72.7 | 76.6 | – | – | |