Table 2.
PTV dose coverage
| 3DCRT | IMRT | p value | |
|---|---|---|---|
| Dmax(Gy) |
59.25±6.71 |
57.18±2.17 |
0.05* |
| Dmean(Gy) |
51.73±1.01 |
52.06±1.14 |
0.14 |
| V95%(%) |
85.40±27.04 |
96.17±13.36 |
0.02* |
| V90%(%) |
98.70±3.32 |
98.99±1.81 |
0.60 |
| V105%(%) |
28.53±19.09 |
44.44±21.11 |
<0.01* |
| V110%(%) |
7.14±7.92 |
4.19±5.10 |
0.04 |
| HI |
0.20±0.11 |
0.10±0.03 |
0.05* |
| CI | 1.28±0.18 | 1.08±0.16 | 0.07 |
*variable with significant difference.
Dmax maximum dose, Dmean mean dose, Vx% percent of volume receives x% of the prescription, CI conformity index, HI homogeneity index.