Table 3.
At each points, the secondary scattered dose measurements as percentage of prescription dose
| ID | Modality \ Distance | 20 cm | 35 cm | 50 cm | 65 cm | 80 cm |
|---|---|---|---|---|---|---|
| 1 |
IMRT |
1.0282 |
0.2556 |
0.1517 |
0.0779 |
0.0522 |
| ±0.0064 |
±0.0018 |
±0.0049 |
±0.0008 |
±0.0003 |
||
| Rapidarc |
0.9218 |
0.2883 |
0.1164 |
0.0617 |
0.0406 |
|
| ±0.0089 |
±0.0048 |
±0.0014 |
±0.0023 |
±0.0003 |
||
| Tomotherapy |
0.2989 |
0.2087 |
0.1305 |
0.1054 |
0.0863 |
|
| ±0.0038 |
±0.0007 |
±0.0005 |
±0.0015 |
±0.0007 |
||
| 2 |
IMRT |
0.8028 |
0.2107 |
0.0888 |
0.0572 |
0.0436 |
| ±0.0237 |
±0.0060 |
±0.0013 |
±0.0026 |
±0.0001 |
||
| Rapidarc |
0.6727 |
0.2132 |
0.0949 |
0.0530 |
0.0364 |
|
| ±0.0074 |
±0.0023 |
±0.0012 |
±0.0007 |
±0.0004 |
||
| Tomotherapy |
0.4626 |
0.2011 |
0.1196 |
0.0883 |
0.0780 |
|
| ±0.0036 |
±0.0048 |
±0.0016 |
±0.0081 |
±0.0002 |
||
| 3 |
IMRT |
0.3038 |
0.0682 |
0.0449 |
0.0283 |
0.0205 |
| ±0.0040 |
±0.0009 |
±0.0002 |
±0.0008 |
±0.0003 |
||
| Rapidarc |
0.2312 |
0.0827 |
0.0480 |
0.0374 |
0.0297 |
|
| |
|
±0.0032 |
±0.0015 |
±0.0008 |
±0.0003 |
±0.0001 |
| |
Tomotherapy |
0.1634 |
0.0946 |
0.0623 |
0.0507 |
0.0438 |
| ±0.0022 |
±0.0014 |
±0.0004 |
±0.0005 |
±0.0011 |
||
| 4 |
IMRT |
1.0168 |
0.2854 |
0.2034 |
0.0845 |
0.0516 |
| ±0.0355 |
±0.0067 |
±0.0013 |
±0.0008 |
±0.0007 |
||
| Rapidarc |
0.8301 |
0.2491 |
0.1071 |
0.0582 |
0.0402 |
|
| ±0.0037 |
±0.0039 |
±0.0046 |
±0.0003 |
±0.0008 |
||
| Tomotherapy |
0.3453 |
0.1828 |
0.1128 |
0.1920 |
0.0769 |
|
| ±0.0063 |
±0.0021 |
±0.0011 |
±0.0023 |
±0.0010 |
||
| 5 |
IMRT |
2.0248 |
0.6576 |
0.5496 |
0.2158 |
0.0280 |
| ±0.0323 |
±0.0456 |
±0.0040 |
±0.0019 |
±0.0020 |
||
| Rapidarc |
1.3508 |
0.4202 |
0.1727 |
0.0932 |
0.0635 |
|
| ±0.0163 |
±0.0074 |
±0.0032 |
±0.0044 |
±0.0005 |
||
| Tomotherapy |
0.4185 |
0.2179 |
0.1312 |
0.1032 |
0.0850 |
|
| ±0.0058 | ±0.0097 | ±0.0007 | ±0.0014 | ±0.0008 |