Table 5.
Mean value of rectal dosimetry before and after balloon implant
| |
Pre implant |
Post implant |
Reduction % |
P-value |
|---|---|---|---|---|
| Mean value (Standard deviation) | ||||
| V50 |
40% ± 17.8 |
25% ± 17.7 |
43 ± 28.3 |
P < 0.0001 |
| V60 |
30% ± 17.4 |
15% ± 13.1 |
57 ± 28.4 |
P < 0.0001 |
| D50 |
63Gy ± 20.2 |
48Gy ± 25.1 |
25 ± 28.2 |
P < 0.0001 |
| D70 |
38Gy ± 16.1 |
22Gy ± 15.0 |
46 ± 26.2 |
P < 0.0001 |
| D80 |
31Gy ± 15.2 |
15Gy ± 11.8 |
57 ± 25.9 |
P < 0.0001 |
| D90 |
22Gy ± 14.3 |
8Gy ± 8.2 |
67 ± 25.6 |
P < 0.0001 |
| D100 | 8Gy ± 8.3 | 1Gy ± 1.6 | 82 ± 22.1 | P < 0.0001 |