Table 4 Dosimetric parameters related to radiotherapy in the groups of 3DCRT and IMRT
| Â | 3DCRT | IMRT | p-value |
|---|---|---|---|
(n = 39) | (n = 37) | ||
Boost concept – no. (%) |  |  | <0.001 |
 sequential | 36 (92.3) | 16 (43.2) | |
 integrated | 0 (0) | 16 (43.2) | |
 none | 3 (7.7) | 5 (13.5) | |
PTV volume - ml | Â | Â | 0.060 |
 Mean | 667 | 796 | |
 Median | 657 | 755 | |
 Range | 229-1236 | 193-1715 | |
Boost PTV volume - ml | Â | Â | 0.139 |
 Mean | 236 | 192 | |
 Median | 230 | 175 | |
 Range | 73-528 | 24-624 | |
Mean lung dose - Gy | Â | Â | 0.651 |
 Mean | 12.6 | 12.2 | |
 Median | 12.3 | 12.4 | |
 Range | 4.8-20.2 | 3.1-18.9 | |
Mean heart dose - Gy | Â | Â | 0.158 |
 Mean | 18.1 | 14.2 | |
 Median | 19.7 | 14.5 | |
 Range | 0.4-38.8 | 0.2-37.5 | |
Spinal cord Dmax - Gy | Â | Â | 0.229 |
 Mean | 36.8 | 35.1 | |
 Median | 38 | 36.3 | |
 Range | 14.2-45.9 | 8–43.2 |