Table 4.
ID delivered to the OARs and NT for the VMAT-S, IMRT and HT plans
|
Plans |
VMAT-S |
IMRT |
HT |
||
|---|---|---|---|---|---|
| |
Mean |
Mean |
P
|
Mean |
P
|
| (Gy × L) | (Gy × L) | (Gy × L) | |||
|
Bowel |
23.83 |
23.22 |
0.35 |
23.45 |
0.21 |
|
Rectum |
3.18 |
3.34 |
0.36 |
3.26 |
0.32 |
|
Bladder |
11.40 |
11.98 |
0.17 |
11.02 |
0.20 |
|
Pelvic bones |
36.60 |
36.10 |
0.21 |
37.50 |
0.35 |
| Normal tissue | 262.30 | 258.50 | 0.11 | 265.12 | 0.09 |
ID: integral dose, OARs: organs at risk, NT: normal tissue, VMAT-S: volumetric modulated arc therapy with SmartArc, IMRT: intensity-modulated radiotherapy, HT: helical tomotherapy.