Table 2.
Pearson's correlation coefficient between rectal volume (bladder volume resp.) and its volume irradiated to various specific doses.
| Rectal volume |
Bladder volume |
||||
|---|---|---|---|---|---|
| 10 mm margin | 7 mm margin | 10 mm margin | 7 mm margin | ||
| V75 (%) | 0.50 | 0.45 | V75 (cm3) | −0.01 | −0.11 |
| V70 (%) | 0.43 | 0.42 | V70 (cm3) | 0.11 | 0.00 |
| V60 (%) | 0.28 | 0.30 | V60 (cm3) | 0.22 | 0.11 |
| V50 (%) | 0.14 | 0.15 | V50 (cm3) | 0.33 | 0.20 |
| V40 (%) | −0.08 | −0.20 | V40 (cm3) | 0.46 | 0.33 |
Abbreviations: Vdose (%), relative organ volume receiving higher dose than specified; Vdose (cm3), absolute organ volume receiving higher dose than specified.