Table 4.
Data from the three models from the Varian Model Analytics program showing the optimisation objectives as well as minimum (min), mean, maximum (max) and standard deviation for the target and organs-at-risk both volumetrically and dosimetrically
| Model A | Model B | UCSD | |
|---|---|---|---|
| Optimisation objectives | |||
| PTV |
D10% < 102% Priority 100 |
||
|
D0% < 104% Priority 150 |
D0% < 102.5% Priority 110 |
D0% < 103% Priority 150 |
|
|
D100% > 98% Priority 140 |
D100% > 100% Priority 130 |
D100% > 97% Priority 150 |
|
|
D98% > 100% Priority 150 |
|||
|
D95% < 100% Priority 0* |
|||
| CTV or PTV inner |
D0% < 106.5% Priority 140 |
||
|
D15% < 105% Priority 90 |
|||
|
D100% > 101% Priority 160 |
D100% > 103% Priority 130 |
||
| Bladder |
V99% < 0% Priority 90 |
V103.5% < 0% Priority 120 |
V95% < GV Priority 80 |
|
V50% < GV Priority 80 |
|||
|
V25% < GV Priority 30 |
|||
|
Line Priority 60 |
Line Priority 65 |
Line GP | |
| Femur_L/Femur_R | Line GP | ||
| Femoral Heads |
Line Priority 60 |
||
| Penile Bulb | Line GP | ||
| Rectum |
V99% < 0% Priority 90 |
V102% < 0% Priority 80 |
V100% < 0% Priority 150 |
|
V95% < GV Priority 100 |
|||
|
V75% < GV Priority 90 |
|||
|
V50% < GV Priority 90 |
|||
|
V25% < GV Priority 80 |
|||
|
V10% < GV Priority 50 |
|||
|
Line Priority 60 |
Line GP |
Line Priority 70 |
|
| Input plan data | |||
| Number of Targets | 2 | 3 | 1 |
| Number of OARs | 3 | 3 | 5 |
| Total number of plans | 93 | 41 | 105 |
| Targets | CTV | PTV inner | PTV |
| PTV_High | PTV optimise | ||
| PTV low | |||
| OARS | Bladder | Bladder | Bladder |
| Rectum | Rectum | Rectum | |
| Femoral Heads | Femoral Heads | Femur_L | |
| Femur_R | |||
| Penilebulb | |||
| PTV Target | PTV_High | PTV optimise | PTV |
| Volumetric [cm3] | |||
| Min | 70.39 | 7.44 | 44.55 |
| Max | 402.73 | 462.92 | 387.32 |
| Mean | 163.93 | 197.45 | 135.54 |
| Std | 70.46 | 82.42 | 53.33 |
| Mean Dose [Gy] | |||
| Min | 32.59 | 45.07 | 9.15 |
| Max | 79.59 | 80.77 | 83.71 |
| Mean | 67.25 | 76.83 | 55.37 |
| Std | 8.24 | 7.83 | 26.17 |
| Mean Dose [%] | |||
| Min | 99.32 | 101.89 | 101.08 |
| Max | 102.77 | 103.55 | 103.56 |
| Mean | 101.09 | 102.67 | 101.86 |
| Std | 0.67 | 0.44 | 0.47 |
| Central Target | CTV | PTV inner | |
| Volumetric [cm3] | |||
| Min | 17.95 | 22.23 | |
| Max | 146.62 | 191.43 | |
| Mean | 54.59 | 69.47 | |
| Std | 21.50 | 37.21 | |
| Mean Dose [Gy] | |||
| Min | 32.87 | 45.76 | |
| Max | 80.41 | 81.36 | |
| Mean | 68.17 | 77.52 | |
| Std | 8.40 | 8.11 | |
| Mean Dose [%] | |||
| Min | 101.35 | 95.42 | |
| Max | 104.28 | 104.31 | |
| Mean | 102.46 | 102.98 | |
| Std | 0.64 | 1.42 | |
| Bladder | |||
| Volumetric | |||
| Total min [cm3] | 68.71 | 42.24 | 76.72 |
| In-field min [cm3] | 30.11 | 17.49 | 55.26 |
| In-field min [%] | 19.57 | 33.72 | 16.43 |
| Out-of-field min [cm3] | 0 | 0 | 0 |
| Out-of-field min [%] | 0 | 0 | 0 |
| Overlap with target min [cm3] | 1.84 | 2.61 | 2.9 |
| Overlap with target min [%] | 1.04 | 2.88 | 1.16 |
| Total max [cm3] | 632.26 | 546.2 | 685.52 |
| In-field max [cm3] | 261.84 | 358.76 | 555.6 |
| In-field max [%] | 87.25 | 94.93 | 94.15 |
| Out-of-field max [cm3] | 249.11 | 162.08 | 437.94 |
| Out-of-field max [%] | 52.2 | 45.37 | 66.49 |
| Overlap with target max [cm3] | 137.44 | 65.46 | 42.64 |
| Overlap with target max [%] | 60.63 | 66.28 | 22.7 |
| Total mean [cm3] | 236.83 | 192.06 | 265.39 |
| In-field mean [cm3] | 112.08 | 133.92 | 145.72 |
| In-field mean [%] | 53.23 | 71.2 | 60.75 |
| Out-of-field mean [cm3] | 41.2 | 26.95 | 50.41 |
| Out-of-field mean [%] | 11.77 | 10.5 | 13.25 |
| Overlap with target mean [cm3] | 24.4 | 20.56 | 13.04 |
| Overlap with target mean [%] | 12.04 | 13.8 | 5.67 |
| Total std [cm3] | 125.16 | 105.86 | 142.72 |
| In-field std [cm3] | 43.56 | 69.86 | 71.01 |
| In-field std [%] | 18.12 | 13.92 | 19.45 |
| Out-of-field std [cm3] | 64.59 | 40.20 | 88.80 |
| Out-of-field std [%] | 15.52 | 12.94 | 17.53 |
| Overlap std [cm3] | 22.47 | 12.17 | 8.95 |
| Overlap std [%] | 10.51 | 11.93 | 3.99 |
| Mean Dose [Gy] | |||
| Min | 7.12 | 16.25 | 1.59 |
| Max | 58.99 | 60.66 | 40.51 |
| Mean | 26.10 | 38.23 | 16.93 |
| Std | 13.05 | 11.58 | 10.85 |
| Mean Dose [%] | |||
| Min | 11.89 | 20.84 | 7.39 |
| Max | 89.38 | 81.97 | 55.77 |
| Mean | 38.92 | 50.99 | 29.83 |
| Std | 18.26 | 14.78 | 11.25 |
| Rectum | |||
| Volumetric | |||
| Total min [cm3] | 27.65 | 34.36 | 34.27 |
| In-field min [cm3] | 21.76 | 28.31 | 19.47 |
| In-field min [%] | 61.59 | 63.95 | 37.76 |
| Out-of-field min [cm3] | 0 | 0 | 0 |
| Out-of-field min [%] | 0 | 0 | 0 |
| Overlap with target min [cm3] | 0 | 0.22 | 0 |
| Overlap with target min [%] | 0 | 0.44 | 0 |
| Total max [cm3] | 111.58 | 145.84 | 226.16 |
| In-field max [cm3] | 101.4 | 108.79 | 134.92 |
| In-field max [%] | 97.79 | 94.83 | 98.35 |
| Out-of-field max [cm3] | 8.51 | 38.55 | 81.98 |
| Out-of-field max [%] | 18.67 | 26.44 | 46.33 |
| Overlap with target max [cm3] | 13.87 | 23.86 | 8.99 |
| Overlap with target max [%] | 22.25 | 29.98 | 12.61 |
| Total mean [cm3] | 56.19 | 69.68 | 74 |
| In-field mean [cm3] | 47.53 | 57.07 | 55.92 |
| In-field mean [%] | 84.82 | 83.41 | 78.22 |
| Out-of-field mean [cm3] | 0.36 | 4.24 | 6.28 |
| Out-of-field mean [%] | 0.57 | 4.73 | 6.47 |
| Overlap with target mean [cm3] | 4.85 | 6.5 | 2.76 |
| Overlap with target mean [%] | 8.6 | 9.46 | 3.97 |
| Total std [cm3] | 18.3 | 27.57 | 31.6 |
| In-field std [cm3] | 15.92 | 20.26 | 20.44 |
| In-field std [%] | 6.89 | 8.94 | 13.93 |
| Out-of-field std [cm3] | 1.39 | 8.37 | 13.58 |
| Out-of-field std [%] | 2.35 | 6.82 | 9.65 |
| Overlap std [cm3] | 3.24 | 4.3 | 1.75 |
| Overlap std [%] | 5.25 | 5.63 | 2.49 |
| Mean Dose [Gy] | |||
| Min | 18.59 | 18.75 | 3.7 |
| Max | 44 | 48.63 | 36.24 |
| Mean | 32.43 | 42.44 | 19.02 |
| Std | 6.73 | 5.58 | 10.06 |
| Mean Dose [%] | |||
| Min | 30.99 | 42.62 | 16.83 |
| Max | 66.01 | 70.2 | 48.58 |
| Mean | 48.64 | 56.2 | 34.27 |
| Std | 8.3 | 5.75 | 6.84 |
| Femoral Heads/Femur | Left, Right | ||
| Volumetric | |||
| Total min [cm3] | 50.41 | 113.12 | 46.38, 46.26 |
| In-field min [cm3] | 41.42 | 102.78 | 32.17, 31.71 |
| In-field min [%] | 57.38 | 59.55 | 48.84, 49.37 |
| Out-of-field min [cm3] | 0 | 0 | 0, 0 |
| Out-of-field min [%] | 0 | 0 | 0, 0 |
| Overlap with target min [cm3] | 0 | 0 | 0, 0 |
| Overlap with target min [%] | 0 | 0 | 0, 0 |
| Total max [cm3] | 120.6 | 291.3 | 269.29, 266.21 |
| In-field max [cm3] | 120.52 | 271.62 | 196.92, 211.32 |
| In-field max [%] | 100 | 100 | 100, 100 |
| Out-of-field max [cm3] | 15.76 | 47.5 | 73.47, 75.49 |
| Out-of-field max [%] | 16.47 | 26.21 | 27.28, 28.36 |
| Overlap with target max [cm3] | 0 | 0 | 0, 0 |
| Overlap with target max [%] | 0 | 0 | 0, 0 |
| Total mean [cm3] | 77.94 | 177.92 | 69.02, 69.85 |
| In-field mean [cm3] | 74.63 | 147.54 | 63.87, 64.8 |
| In-field mean [%] | 95.97 | 83.39 | 94.49, 94.63 |
| Out-of-field mean [cm3] | 0.51 | 8.57 | 2.29, 2.14 |
| Out-of-field mean [%] | 0.58 | 4.53 | 1.54, 1.41 |
| Overlap with target mean [cm3] | 0 | 0 | 0, 0 |
| Overlap with target mean [%] | 0 | 0 | 0, 0 |
| Total std [cm3] | 14.88 | 27.4 | 35.91, 35.1 |
| In-field std [cm3] | 15.05 | 23.08 | 26.65, 26.06 |
| In-field std [%] | 8.56 | 8.47 | 10.53, 10.54 |
| Out-of-field std [cm3] | 1.95 | 10.69 | 10.79, 10.74 |
| Out-of-field std [%] | 2.25 | 5.37 | 5.29, 5.05 |
| Overlap std [cm3] | 0 | 0 | 0, 0 |
| Overlap std [%] | 0 | 0 | 0, 0 |
| Mean Dose [Gy] | |||
| Min | 4.85 | 5.18 | 1.32, 1.17 |
| Max | 32.57 | 29.25 | 27.99, 24.05 |
| Mean | 17.58 | 17.17 | 12.03, 11.95 |
| Std | 6.17 | 4.61 | 7.36, 7.27 |
| Mean Dose [%] | |||
| Min | 7.39 | 6.64 | 5.21, 3.28 |
| Max | 49.34 | 38.53 | 35.74, 32.85 |
| Mean | 26.37 | 23.19 | 21.88, 21.75 |
| Std | 8.54 | 6.52 | 6.99, 6.94 |
G generated, D dose, V volume, P priority
aObjective affects normal tissue objective