Table 1.
Summary metrics for resulting dose distributions on all ten plans after prioritized optimization using the same slip parameters. Units are Gy except for V40 (in % volume). Performance metrics tend to be very similar, with the exception of plan 2, which appeared to be a lower quality solution (perhaps due to lack of solution optimality).
Plan | D95 to PTV | Min dose to PTV | Standard deviation of PTV dose | Max dose to normal tissues* | Max dose to outer normal tissues** | MOH84 to rectum | V40 to rectum (in %) | Mean dose to bladder |
---|---|---|---|---|---|---|---|---|
1 | 67.7 | 67.6 | 0.90 | 68.6 | 44.1 | 42.6 | 44.4 | 48.6 |
2 | 67.7 | 67.4 | 0.94 | 73.2 | 51.1 | 54.6 | 67.4 | 52.7 |
3 | 66.5 | 65.5 | 1.38 | 67.6 | 55.3 | 33.5 | 29.6 | 26.5 |
4 | 67.7 | 67.5 | 0.96 | 69.1 | 53.1 | 48.2 | 52.1 | 53.3 |
5 | 67.8 | 67.5 | 0.88 | 68.7 | 57.8 | 30.3 | 31.0 | 25.0 |
6 | 67.8 | 67.3 | 0.92 | 71.2 | 59.4 | 26.9 | 27.7 | 25.8 |
7 | 67.8 | 67.7 | 0.98 | 68.6 | 52.7 | 43.0 | 45.0 | 42.3 |
8 | 67.8 | 67.7 | 0.89 | 70.3 | 57.7 | 46.6 | 51.3 | 11.8 |
9 | 66.6 | 65.7 | 1.30 | 66.5 | 54.7 | 43.6 | 43.6 | 39.5 |
10 | 67.7 | 67.2 | 0.93 | 69.3 | 55.0 | 38.1 | 35.0 | 39.0 |
outside of a 0.5 cm range around target
outside of a 3.0 cm range around target