Table 2

Postdosimetric parameters (all patients: n = 200)
Bounce (-) (n=150) Bounce (+) (n=50) P value
(mean ± SD) (mean ± SD) (t-test)
Prostate volume at postdosimetry (mL) 27.3 ± 8.7 29.0 ± 8.9 0.233
%D90 (%) 110.6 ± 9.9 109.7 ± 9.1 0.577
D90 (Gy) 152.3 ± 24.5 153.3 ± 19.4 0.772
V100 (%) 93.7 ± 3.6 93.5 ± 3.6 0.700
V150 (%) 62.3 ± 10.4 62.1 ± 10.3 0.881
R100 (mL) 0.10 ± 0.19 0.08 ± 0.10 0.668
Urethral volume (mL) 0.53 ± 0.28 0.41 ± 0.23 0.004
%UD90 (%) 97.6 ± 12.8 101.8 ± 12.7 0.049
UD90 (Gy) 134.1 ± 24.5 142.5 ± 23.6 0.035
%UD30 (%) 140.2 ± 18.0 143.8 ± 22.3 0.256
Minimal urethral dose (Gy) 100.9 ± 21.6 111.3 ± 22.2 0.004
BED (Gy2) 188.5 ± 25.2 177.0 ± 23.2 0.005

Tanaka et al.

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

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