Table 3.
Dose of the OAR for the FB and DIBH plans for patients treated with or without RNI
| Breast without RNI (n = 71) | Breast with RNI (n = 26) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| FB plan | DIBH plan | sign. | FB plan | DIBH plan | sign. | ||||||
| Mean | SD | Mean | SD | Mean | SD | Mean | SD | ||||
| Heart | Dmean (Gy) | 5.4 | 2.4 | 2.8 | 1.4 | <0.001 | 6.7 | 3.0 | 3.6 | 1.4 | <0.001 |
| Dmax (Gy) | 43.8 | 8.6 | 26.7 | 12.6 | <0.001 | 44.1 | 9.1 | 29.0 | 12.7 | <0.001 | |
| left lung | V20Gy (%) | 25.2 | 5.9 | 20.4 | 4.6 | <0.001 | 33.2 | 5.7 | 28.0 | 5.6 | <0.001 |
| V30Gy (%) | 17.6 | 4.4 | 14.8 | 4.0 | <0.001 | 21.6 | 4.4 | 19.1 | 3.5 | 0.008 | |
| right lung | V5Gy (%) | 24.7 | 22.8 | 17.2 | 19.4 | 0.004 | 42.8 | 21.6 | 31.7 | 22.7 | 0.010 |
| right breast | Dmean (Gy) | 3.6 | 3.2 | 2.72 | 2.00 | 0.006 | 6.2 | 3.2 | 4.38 | 2.32 | <0.001 |
| LAD | Dmean (Gy) | 8.7 | 5.7 | 5.5 | 4.0 | <0.001 | 15.1 | 12.7 | 8.1 | 4.5 | 0.001 |
| Dmax (Gy) | 22.6 | 13.1 | 14.3 | 10.1 | <0.001 | 25.9 | 16.1 | 18.4 | 10.5 | 0.001 | |