| IMRT | 3D-CRT |  |  |  | ||
---|---|---|---|---|---|---|---|
Organ Parameter | Mean | 1SD | Mean | 1SD | Difference | Difference (%) | P value |
Ipsilateral chest wall (PTV) | Â | Â | Â | Â | Â | Â | |
   Maximum Dose (cGy) | 5530 | 146 | 5462 | 135 | 68 | 1 | 0.04 |
   Mean Dose (cGy) | 5083 | 73 | 5038 | 70 | 44 | 1 | 0.04 |
   Homogeneity Index | 0.73 | 0.15 | 0.77 | 0.11 | -0.05 | -6 | n. s. |
   Conformity Index | 0.32 | 0.04 | 0.25 | 0.14 | 0.07 | 26 | 0.03 |
Heart* | Â | Â | Â | Â | Â | Â | Â |
   Maximum Dose (cGy) | 3874 | 1729 | 4990 | 180 | -1116 | -22 | n. s. |
   Mean Dose (cGy) | 704 | 295 | 877 | 272 | -173 | -20 | 0.03 |
   V70% | 5.71 | 3.40 | 10.61 | 3.68 | -4.90 | -46 | <0.03 |
Ipsilateral lung | Â | Â | Â | Â | Â | Â | Â |
   Mean Dose (cGy) | 1129 | 188 | 1437 | 204 | -308 | -21 | <0.01 |
   D30% | 960 | 537 | 1695 | 875 | -734 | -43 | <0.01 |