Table 1.
Comparison of dose parameters for the FB and DIBH plans of all patients (n = 97)
| FB plan | DIBH plan | Mean difference FB - DIBH | sign. | non-profita | ||||
|---|---|---|---|---|---|---|---|---|
| Mean | SD | Mean | SD | n (%) | ||||
| Heart | Dmean (Gy) | 5.8 | 2.6 | 3.0 | 1.4 | 2.8 | <0.001 | 7 (7.2) |
| Dmax (Gy) | 43.9 | 8.7 | 27.3 | 12.6 | 16.6 | <0.001 | 4 (4.1) | |
| Left lung | V20Gy (%) | 27.3 | 6.8 | 22.5 | 5.9 | 4.9 | <0.001 | 15 (15.5) |
| V30Gy (%) | 18.6 | 4.8 | 15.9 | 4.3 | 2.7 | <0.001 | 29 (29.9) | |
| Right lung | V5Gy (%) | 29.6 | 23.8 | 21.1 | 21.2 | 8.5 | <0.001 | 41 (42.3) |
| Contralateral breast | Dmean (Gy) | 4.3 | 3.4 | 3.2 | 2.2 | 1.1 | <0.001 | 38 (39.2) |
| LAD | Dmean (Gy) | 10.5 | 8.7 | 6.2 | 4.3 | 4.2 | <0.001 | 23 (23.7) |
| Dmax (Gy) | 23.5 | 13.9 | 15.4 | 10.3 | 8.1 | <0.001 | 20 (20.6) | |
a
Number of patients that did not statistically benefit from DIBH treatment with regards to the given dosimetric factor