Table 4.
Basic pre‐ and post‐implant dosimetric parameters for the combined‐modality (intensity‐modulated radiation therapy plus brachytherapy seed implant) study group—prescription dose = 95 Gy
Dosimetric parameter |
Pre‐implant
|
Post‐implant
|
p Value | |||
---|---|---|---|---|---|---|
Prostate volume | ||||||
|
|
0.38 | ||||
Median | 35.8 | 33.4 | ||||
Range |
|
|
||||
(Gy) | ||||||
|
|
|
||||
Median | 133.5 | 110.5 | ||||
Range |
|
|
||||
(Gy) | ||||||
|
|
|
||||
Median | 92.6 | 75.0 | ||||
Range |
|
|
||||
( prostate volume) | ||||||
|
|
|
||||
Median | 99.7 | 95.0 | ||||
Range |
|
|
||||
Maximum urethral dose (Gy) | ||||||
|
|
0.21 | ||||
Median | 174.0 | 160.0 | ||||
Range |
|
|
SD = standard deviation; dose covering volume; dose covering volume; volume receiving of the prescribed dose.