Table 2.
Summary of the dosimetric parameters and planning time
| Group 1 |
Group 2 |
|||||
|---|---|---|---|---|---|---|
| Auto-plan | Final plan | P | Auto-plan | Final plan | P | |
| Breast/CW V95 (%) | 97.5 ± 2.6 | 97.4 ± 2.6 | .78 | 92.4 ± 6.6 | 92.3 ± 6.8 | .45 |
| Breast/CW PTVeval V95 (%) | 93.2 ± 4.0 | 93.1 ± 4.0 | .34 | 89.9 ± 7.9 | 89.6 ± 8.2 | .37 |
| SCL V90 (%) | 97.0 ± 4.6 | 97.0 ± 4.6 | .01 | |||
| IMN V90 (%) | 90.4 ± 17.9 | 93.4 ± 10.3 | .08 | |||
| Ax V90 (%) | 92.1 ± 5.9 | 91.5 ± 6.2 | .17 | |||
| V105 (%) | 11.5 ± 11.1 | 11.2 ± 9.9 | .46 | 43.0 ± 26.3 | 39.4 ± 23.7 | .01 |
| V110 (%) | 0.6 ± 4.6 | 0.4 ± 3.2 | .31 | 6.5 ± 10 | 3.3 ± 9.7 | <.01 |
| Dmax (%) | 109.2 ± 1.4 | 108.8 ± 1.5 | .01 | 119.7 ± 9.5 | 114.4 ± 8.8 | <.01 |
| Heart Dmean (%) | 1.7 ± 0.7 | 1.7 ± 0.7 | .82 | 2.9 ± 1.7 | 2.9 ± 1.7 | .07 |
| Heart D5% (%) | 5.0 ± 2.2 | 5.0 ± 2.2 | .86 | 7.4 ± 4.5 | 7.3 ± 4.5 | .76 |
| Ipsilateral lung Dmean (%) | 13.7 ± 6.0 | 13.7 ± 5.9 | .99 | 31.8 ± 5.3 | 31.8 ± 5.3 | .76 |
| Ipsilateral lung D5% (%) | 73.2 ± 27.4 | 73.3 ± 27.3 | .55 | 88.4 ± 9.1 | 88.8 ± 9.2 | .45 |
| Planning time (min) | 12.1 ± 9.3 | 13.1 ± 12.9 | 16.4 ± 9.7 | 26.4 ± 16.4 | ||
| Total planning time (min) | 25.7 ± 16.8 | 42.9 ± 20.3 | ||||
Abbreviations: Ax = axillary node; CW = chest wall; IMN = internal mammary nodes; PTVeval = planning target volume for evaluation; RT = radiation therapy; SCL = supraclavicular nodes.