Table 1 Plan comparison parameters* between TB-IMRT and CBR techniques
From: Template-based breast IMRT planning for increased workload efficiency
Structure | Parameters | TB-IMRT | CBR | p value† |
|---|---|---|---|---|
TV | CI | 0.68 (0.083) | 0.59 (0.15) | 0.003 |
HI | 0.096 (1.2) | 0.13 (2.2) | < 0.001 | |
Mean dose (%) | 100.4 (0.80) | 99.8 (2.6) | 0.37 | |
Maximal dose (%) | 106.7 (0.85) | 106.3 (0.97) | 0.12 | |
Ipsilateral lung | V5 (%) | 22.2 (8.0) | 20.3 (8.2) | 0.09 |
V20 (%) | 12.5 (5.0) | 12.9 (5.2) | 0.41 | |
Contralateral lung | V0.5 (%) | 4.7 (8.1) | 10.3 (9.5) | 0.006 |
V5 (%) | Negligible | Negligible | NS | |
Heart | V1 (%) | 33.5 (2.2) | 39.1 (21) | 0.006 |
V5 (%) | 4.91 (6.5) | 4.7 (5.1) | 0.67 | |
V25 (%) | 2.2 (3.8) | 2.2 (2.5) | 0.32 | |
Contralateral breast | V1 (%) | 1.4 (2.1) | 6.2 (4.4) | 0.0003 |
V5 (%) | Negligeable | Negligeable | NS |