Table 3.
BED according to implant technique
| |
Implant technique |
P
value* |
|||
|---|---|---|---|---|---|
| PP | IoP | ||||
|
Total sample: Brachytherapy & brachytherapy combined with EBRT |
n |
1176 |
1 32 |
1044 |
|
|
BED, Gy |
|
|
|
|
|
| Mean (SD) |
193 (28) |
70 (20) |
197 (16) |
|
|
| Median |
195 |
82 |
196 |
|
|
| Range |
35–267 |
35–123 |
122–267 |
|
|
| 95% CI |
191–195 |
74–86 |
196–198 |
<0.001 |
|
|
Brachytherapy only |
n |
1033 |
128 |
905 |
|
|
BED, Gy |
|
|
|
|
|
| Mean (SD) |
189 (25) |
80 (19) |
194 (13) |
|
|
| Median |
193 |
82 |
194 |
|
|
| Range |
35–250 |
35–123 |
122–250 |
|
|
| 95% CI | 187–191 | 73–86 | 193–195 | <0.001 | |
*Mann–Whitney test.
PP, Preplanning; IoP, Intraoperative planning; BED, Biological effective dose; EBRT, External beam radiation.