Table 1 Summary of DVH based analysis for the PTVII and PTVI
PTVII-PTVI (left and right) | PTVI (left and right) | |||||
|---|---|---|---|---|---|---|
RapidArc | IMRT | p | RapidArc | IMRT | p | |
Mean (Gy) | 50 | 50 | - | 59.6 ± 0.9 | 58.0 ± 0.9 | 0.004 |
EUD (Gy) | 48.5 ± 0.6 | 47.6 ± 0.8 | 0.003 | 58.9 ± 0.7 | 57.7 ± 1.0 | 0.004 |
D 5% -D 95% (Gy) | 7.3 ± 1.4 | 11.0 ± 1.1 | 0.004 | 3.4 ± 0.7 | 5.8 ± 0.9 | 0.50 |
D 2% (Gy) | 55.8 ± 1.1 | 57.2 ± 1.6 | 0.004 | 62.3 ± 0.8 | 61.9 ± 1.4 | 0.145 |
D 98% (Gy) | 45.1 ± 1.2 | 43.4 ± 1.3 | 0.004 | 55.8 ± 1.3 | 54.1 ± 1.3 | 0.035 |
V 90% (%) | 97.8 ± 2.4 | 94.0 ± 3.5 | 0.004 | 99.3 ± 1.5 | 97.5 ± 3.0 | 0.035 |
V 107% (%) | 8.3 ± 5.1 | 14.0 ± 5.3 | 0.004 | 0.0 ± 0.0 | 0.0 ± 0.0 | 0.004 |
V 110% (%) | 4.0 ± 2.3 | 8.5 ± 4.3 | 0.035 | 0.0 ± 0.0 | 0.0 ± 0.0 | - |
PTVII left | PTVII right | |||||
RapidArc | IMRT | p | RapidArc | IMRT | p | |
Mean (Gy) | 51.0 ± 0.3 | 50.8 ± 0.3 | 0.004 | 50.9 ± 0.8 | 50.5 ± 0.6 | 0.145 |
EUD (Gy) | 48.8 ± 0.7 | 47.7 ± 0.9 | 0.002 | 48.7 ± 0.6 | 48.0 ± 0.7 | 0.06 |
D 5% -D 95% (Gy) | 9.7 ± 0.9 | 14.2 ± 1.4 | 0.363 | 9.8 ± 1.8 | 10.5 ± 1.3 | 0.363 |
D 2% (Gy) | 60.6 ± 1.3 | 59.7 ± 1.4 | 0.363 | 60.2 ± 1.6 | 59.7 ± 1.7 | 0.145 |
D 98% (Gy) | 45.2 ± 1.5 | 43.6 ± 1.6 | 0.004 | 45.2 ± 1.3 | 43.5 ± 1.0 | 0.004 |
V 90% (%) | 98.0 ± 2.1 | 94.7 ± 3.4 | 0.004 | 95.7 ± 2.4 | 93.3 ± 2.4 | 0.004 |
V 110% (%) | 10.4 ± 2.6 | 14.2 ± 5.5 | 0.035 | 10.1 ± 5.2 | 13.4 ± 5.6 | 0.004 |
PTVI left | PTVI right | |||||
RapidArc | IMRT | p | RapidArc | IMRT | p | |
Mean (Gy) | 59.4 ± 1.1 | 58.6 ± 1.4 | 0.06 | 59.7 ± 0.8 | 58.5 ± 0.6 | 0.004 |
EUD (Gy) | 59.8 ± 0.5 | 58.3 ± 0.7 | 0.03 | 59.7 ± 0.9 | 57.4 ± 1.3 | 0.005 |
D 5% -D 95% (Gy) | 5.8 ± 0.6 | 7.4 ± 1.0 | 0.5 | 4.3 ± 1.0 | 5.7 ± 1.5 | 0.145 |
D 2% (Gy) | 62.1 ± 1.2 | 60.3 ± 1.8 | 0.5 | 62.2 ± 0.6 | 62.2 ± 1.6 | 0.145 |
D 98% (Gy) | 55.7 ± 1.4 | 54.0 ± 1.2 | 0.004 | 56.0 ± 1.3 | 54.3 ± 1.3 | 0.035 |
V 90% (%) | 99.5 ± 0.6 | 98.5 ± 2.0 | 0.035 | 99.5 ± 0.8 | 97.9 ± 2.5 | 0.035 |
V 110% (%) | 0.0 ± 0.0 | 0.2 ± 0.5 | 0.5 | 0.0 ± 0.0 | 0.0 ± 0.0 | - |