Factors / Dose (Gy) | 3D-CRT | IMRT | ( p) | |||
---|---|---|---|---|---|---|
Median | Mean | Median | Mean | Â | ||
Breasts | Dmax | 38.6 | 38.3 | 35.3 | 33.6 | 0.001 |
Dmin | 0.001 | 0.02 | 0.3 | 0.8 | 0.001 | |
Dmean | 2.7 | 4.9 | 4.7 | 5.7 | 0.05 | |
V5Â Gy | 9.9 | 17.2 | 27 | 32.7 | 0.001 | |
V20Â Gy | 5.7 | 11.6 | 3.9 | 9.1 | 0.002 | |
V25Â Gy | 5.05 | 10.4 | 1.2 | 4.6 | 0.001 | |
V30Â Gy | 4.05 | 8.9 | 0.2 | 2.6 | 0.001 | |
Right breast | Dmax | 37.7 | 34.6 | 32.7 | 30.3 | 0.01 |
Dmin | 0.001 | 0.02 | 0.3 | 0.8 | 0.001 | |
Dmean | 2.1 | 3.8 | 4.4 | 5.2 | 0.007 | |
V5Â Gy | 7.8 | 13.1 | 25.5 | 29.7 | 0.001 | |
V20Â Gy | 4.3 | 8.5 | 2.6 | 7.8 | NS | |
V25Â Gy | 3.5 | 7.5 | 1.04 | 4.3 | 0.004 | |
V30Â Gy | 2.7 | 6.4 | 0.2 | 2.3 | 0.002 | |
Left breast | Dmax | 38.3 | 35.5 | 34 | 31.8 | 0.02 |
Dmin | 0.001 | 0.08 | 0.3 | 1.5 | 0.001 | |
Dmean | 3.2 | 6 | 4.6 | 6.2 | NS | |
V5Â Gy | 11.1 | 21.3 | 31.8 | 35.8 | 0.007 | |
V20Â Gy | 6.4 | 14.4 | 3.6 | 10.1 | 0.002 | |
V25Â Gy | 5.5 | 13 | 1.5 | 4.9 | 0.002 | |
V30Â Gy | 4.4 | 11.1 | 0.4 | 2.8 | 0.002 | |
Lung-PTV | Dmax | 38.6 | 38.4 | 36.8 | 36.9 | 0.003 |
Dmin | 0.1 | 0.2 | 0.3 | 0.7 | 0.002 | |
Dmean | 12 | 12.4 | 9.2 | 9.7 | 0.003 | |
V5Â Gy | 47.1 | 46.3 | 56.4 | 57.7 | 0.001 | |
V20Â Gy | 28.2 | 30.3 | 12.2 | 15.5 | 0.001 | |
V30Â Gy | 19.4 | 22.1 | 4.9 | 5.3 | 0.001 | |
Heart | Dmax | 37.3 | 37.1 | 38.1 | 38 | 0.01 |
Dmin | 0.3 | 0.6 | 0.7 | 1.3 | 0.001 | |
Dmean | 13 | 13.9 | 11.2 | 11.5 | 0.01 | |
V20Â Gy | 32.3 | 35.7 | 20.7 | 25 | 0.002 | |
V30Â Gy | 23.1 | 29 | 11.1 | 14.4 | 0.001 | |
Oesophagus | Dmax | 37.3 | 37.3 | 36.9 | 36.9 | NS |
Dmin | 0.4 | 3.0 | 0.8 | 1.7 | 0.02 | |
Dmean | 23.3 | 24.6 | 20.8 | 21.5 | 0.002 | |
V35Â Gy | 48.4 | 41 | 26.7 | 28.5 | 0.02 | |
Thyroid | Dmax | 37.2 | 37.2 | 36.9 | 37.1 | NS |
Dmin | 3.4 | 13.9 | 12.6 | 15.1 | NS | |
Dmean | 34.6 | 30.1 | 31.6 | 29.4 | NS | |
V30Â Gy | 87.7 | 75.1 | 72.7 | 64.1 | 0.003 | |
Integral dose | Mean (Gy.L) | - | 179.0 | - | 176.8 | NS |