Table 2.
The constraints evaluation of ipsilateral lung, contralateral breast and heart of all plans stratified by different breast sizes. L large breast size (n = 18), M medium breast size (n = 52), S small breast size (n = 29)
| Manual (Mean value ± SD) | Auto (Mean value ± SD) | |||||||
|---|---|---|---|---|---|---|---|---|
| Parameter | L | M | S | p-value | L | M | S | p-value |
| Ipsilateral lung | ||||||||
| V16Gy[%] | 12.9 ± 3.8 | 14.5 ± 3.6 | 13.7 ± 3.5 | 0.25 | 13.0 ± 3.5 | 13.5 ± 3.3 | 13.1 ± 2.2 | 0.78 |
| V4Gy[%] | 28.1 ± 6.9 | 29.7 ± 5.8 | 25.7 ± 3.7 | < 0.01 | 28.8 ± 7.0 | 28.4 ± 5.2 | 26.8 ± 2.4 | 0.30 |
| Contralateral breast | ||||||||
| V5Gy[%] | 0.0 ± 0.0 | 0.3 ± 1.7 | 0.0 ± 0.4 | 0.46 | 0.0 ± 0.0 | 0.8 ± 3.4 | 0.0 ± 0.0 | 0.23 |
| Max[Gy] | 2.0 ± 2.3 | 4.7 ± 9.6 | 2.2 ± 2.6 | 0.19 | 3.6 ± 4.4 | 6.6 ± 11.3 | 2.8 ± 2.9 | 0.13 |
| Heart | ||||||||
| V20Gy[%] | 0.9 ± 1.4 | 0.9 ± 1.3 | 0.9 ± 1.2 | 0.98 | 1.2 ± 1.5 | 0.9 ± 0.9 | 0.9 ± 1.1 | 0.42 |
| Mean[Gy] | 1.5 ± 0.6 | 1.4 ± 0.6 | 1.3 ± 0.7 | 0.37 | 1.7 ± 0.7 | 1.4 ± 0.5 | 1.2 ± 0.5 | 0.03 |