Table 3.
Comparison of dose parameters for the small bowel between Tomotherapy and 3-dimensional conformal radiation therapy
| Values | Tomotherapy, mean (Gy) | 3D-CRT, mean (Gy) | p value |
|---|---|---|---|
| V25Gy (%) |
0.10 ± 0.24 |
10.92 ± 12.63 |
< 0.001 |
| V22.5Gy (%) |
0.93 ± 1.10 |
19.88 ± 15.73 |
< 0.001 |
| V20Gy (%) |
3.79 ± 6.23 |
25.32 ± 16.44 |
< 0.001 |
| V17.5Gy (%) |
8.19 ± 12.06 |
33.10 ± 18.71 |
< 0.001 |
| V15Gy (%) |
13.79 ± 20.65 |
30.28 ± 19.16 |
< 0.001 |
| V10Gy (%) |
30.28 ± 13.97 |
48.55 ± 19.03 |
0.001 |
| V5Gy (%) | 73.74 ± 22.82 | 77.30 ± 15.64 | 0.568 |
VnGy percentage of the volume receiving radiation ≥ n Gy.
3D-CRT 3-dimensional conformal radiation therapy.