Table 4

Postdosimetric parameters (hormone-naïve, monotherapy: n = 103)
Bounce (-) (n=74) Bounce (+) (n=29) P value
(mean ± SD) (mean ± SD) (t-test)
Age (year) 68.8 ± 6.1 66.1 ± 7.7 0.060
PV at postdosimetry (mL) 27.9 ± 8.0 30.8 ± 8.2 0.109
%D90 (%) 110.1 ± 10.4 112.1 ± 8.0 0.338
D90 (Gy) 167.6 ± 17.6 164.3 ± 12.5 0.360
V100 (%) 93.6 ± 3.8 94.4 ± 2.7 0.272
V150 (%) 62.7 ± 8.9 65.5 ± 8.8 0.163
R100 (mL) 0.10 ± 0.20 0.10 ± 0.10 0.936
Urethral volume (mL) 0.55 ± 0.26 0.42 ± 0.23 0.019
%UD90 (%) 95.6 ± 12.1 104.7 ± 11.3 0.001
UD90 (Gy) 145.3 ± 18.2 153.3 ± 16.2 0.041
%UD30 (%) 140.2 ± 16.1 151.5 ± 21.8 0.005
Minimal urethral dose (Gy) 107.5 ± 19.3 119.1 ± 16.6 0.006
BED (Gy2) 177.5 ± 19.7 173.7 ± 13.9 0.354

Tanaka et al.

Tanaka et al. BMC Urology 2012 12:28   doi:10.1186/1471-2490-12-28

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