Table 1 Dosimetric statistics of PTV and OAR for the two plans in the training dataset
| Â | Plan added to the IMRT model | Plan added to the VMAT model | P value |
|---|---|---|---|
PTV | |||
 Dmax (Gy) | 73.21 ± 0.61 | 72.73 ± 1.29 | 0.051 |
 V105% (cc) | 0.11 ± 0.30 | 0.18 ± 0.43 | 0.38 |
 HI | 1.06 ± 0.01 | 1.07 ± 0.02 | 0.11 |
 CI | 0.89 ± 0.03 | 0.89 ± 0.03 | 0.13 |
Rectum (Gy) | |||
 D15% | 52.86 ± 7.47 | 52.53 ± 6.59 | 0.89 |
 D25% | 40.13 ± 7.01 | 42.46 ± 7.11 | 0.04 |
 D35% | 31.73 ± 7.14 | 35.02 ± 6.65 | 0.01 |
 D50% | 21.10 ± 6.75 | 15.97 ± 15.5 | 0.04 |
Bladder(Gy) | |||
 D15% | 35.30 ± 17.24 | 36.32 ± 18.84 | 0.22 |
 D25% | 25.09 ± 17.44 | 25.19 ± 19.99 | 0.91 |
 D35% | 20.32 ± 16.1 | 20.23 ± 18.11 | 0.93 |
 D50% | 14.90 ± 12.85 | 15.97 ± 15.5 | 0.26 |
Lt femur (Gy) | |||
 Dmax | 29.25 ± 7.10 | 36.05 ± 6.73 | 3.27 |
 D40% | 14.41 ± 4.29 | 14.38 ± 7.60 | 0.98 |
 D25% | 17.12 ± 5.18 | 19.56 ± 8.54 | 0.09 |
Rt femur (Gy) | |||
 Dmax | 29.15 ± 7.05 | 34.83 ± 6.95 | 0.00 |
 D40% | 15.65 ± 4.47 | 14.96 ± 7.09 | 0.57 |
 D25% | 18.87 ± 5.99 | 19.87 ± 7.83 | 0.49 |