Table 4 Dose-volume parameters for OAR
| Â | 3D-CRT | IMRT | p-value |
|---|---|---|---|
Thyroid | |||
V10 | 64.8 | 95 | 0.0019 |
V20 | 46.4 | 54.6 | 0.48 |
V30 | 16.2 | 9.6 | 0.28 |
Left Lung | |||
V5 | 28.9 | 48.1 | 0.001 |
V10 | 20.5 | 30.0 | 0.13 |
V20 | 13.2 | 7.8 | 0.21 |
V30 | 4.7 | 0.1 | 0.014 |
Right Lung | |||
V5 | 30.3 | 44.8 | 0.03 |
V10 | 23.2 | 32.8 | 0.17 |
V20 | 14.7 | 7.9 | 0.19 |
V30 | 2.59 | 0.1 | 0.017 |
Esophagus | |||
V10 | 49.7 | 54.6 | 0.48 |
V20 | 31.1 | 33.7 | 0.35 |
V30 | 6.42 | 0.33 | 0.02 |
Spinal Cord | |||
V5 | 56.7 | 66.2 | 0.25 |
V10 | 41.4 | 55.9 | 0.07 |
V20 | 17.8 | 7.2 | 0.02 |
V30 | 4.7 | 0 | 0.07 |
Heart | |||
V2 | 20 | 26 | 0.55 |
V5 | 15.8 | 25.7 | 0.63 |
V10 | 12.9 | 15.3 | 0.76 |
V20 | 7.6 | 6.5 | 0.79 |
V30 | 1.4 | 0.2 | 0.24 |
Coronary arteries | |||
V2 | 50.7 | 62 | 0.46 |
V5 | 44 | 52.8 | 0.57 |
V10 | 39.2 | 44.5 | 0.72 |
V20 | 25.7 | 23 | 0.78 |
V30 | 6.2 | 0.94 | 0.10 |
Left breast | |||
V5 | 4.14 | 20.6 | 0.018 |
V10 | 2.5 | 13.6 | 0.035 |
V20 | 1.08 | 0 | 0.09 |
V30 | 0.15 | 0 | 0.34 |
Right breast | |||
V5 | 3.3 | 17 | 0.059 |
V10 | 1.7 | 11 | 0.07 |
V20 | 0.9 | 0 | 0.04 |
V30 | 0.82 | 0 | 0.34 |