Table 2.
Comparision of target coverage metrics for the planning target volume (PTV) and organs at risk (OAR) dose‐volume metrics as a function of plan modality ( ± SD).
| Metric | FinF | IMRTDC(−) | IMRTDC(+) | HTDC(−) | HTDC(+) | P‐Value |
|---|---|---|---|---|---|---|
| PTV | ||||||
| D mean (Gy) | 51.56 ± 1.00 | 51.24 ± 0.37 | 51.31 ± 0.37 | 50.83 ± 0.21 | 50.88 ± 0.21 | 0.005 |
| CN | 0.61 ± 0.09 | 0.76 ± 0.04 | 0.76 ± 0.04 | 0.80 ± 0.03 | 0.80 ± 0.03 | <0.001 |
| HI | 0.12 ± 0.05 | 0.08 ± 0.01 | 0.08 ± 0.01 | 0.06 ± 0.01 | 0.06 ± 0.01 | <0.001 |
| Heart | ||||||
| D mean (Gy) | 4.30 ± 2.22 | 8.42 ± 2.51 | 8.49 ± 2.52 | 4.17 ± 0.78 | 4.25 ± 0.77 | <0.001 |
| V 20 (%) | 5.2 ± 4.32 | 2.1 ± 1.65 | 2.15 ± 1.64 | 0.1 ± 0.14 | 0.12 ± 0.14 | <0.001 |
| Ipsilateral lung | ||||||
| D mean (Gy) | 7.35 ± 2.42 | 12.24 ± 2.21 | 12.29 ± 2.20 | 5.18 ± 1.35 | 5.24 ± 1.34 | <0.001 |
| V 20 (%) | 12.65 ± 4.80 | 15.10 ± 5.37 | 15.15 ± 5.36 | 7.20 ± 2.30 | 7.27 ± 2.31 | <0.001 |
| Contralateral lung | ||||||
| D mean (Gy) | 0.40 ± 0.20 | 4.21 ± 1.10 | 4.23 ± 1.11 | 2.52 ± 0.86 | 2.55 ± 0.87 | <0.001 |
| V 5 (%) | 0.0 ± 0.0 | 21.75 ± 14.43 | 21.81 ± 14.40 | 19.16 ± 11.60 | 19.21 ± 11.53 | <0.001 |
| Contralateral breast | ||||||
| D max (Gy) | 2.82 ± 0.70 | 9.10 ± 3.32 | 9.15 ± 3.31 | 9.88 ± 2.06 | 9.86 ± 2.05 | <0.001 |
PTV, Planning Target Volume; D max, max dose; D mean, mean dose; V x, volume (%) receiving × dose (Gy) or higher; , mean dose; sd, standart deviation; CN, conformation number; HI, homogeneity index.