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Table 2 Postdosimetric parameters (all patients: n = 218)

From: Periodical assessment of genitourinary and gastrointestinal toxicity in patients who underwent prostate low-dose-rate brachytherapy

 

Monotherapy

Boost

P value

(n = 155)

(n = 63)

(t-test)

PV (mL) at postdosimetry

27.8 ± 8.3

27.2 ± 9.4

0.660

%D90 (%)

109.4 ± 9.7

113.7 ± 9.1

0.002

D90 (Gy)

164.7 ± 16.6

125.1 ± 10.0

< 0.001

V100 (%)

93.3 ± 3.8

94.8 ± 2.8

0.005

V150 (%)

61.5 ± 9.9

64.9 ± 11.0

0.029

UD30 (Gy)

211.1 ± 28.5

156.0 ± 20.1

< 0.001

%UD30 (%)

140.9 ± 19.0

141.7 ± 18.6

0.784

R100 (mL)

0.08 ± 0.16

0.11 ± 0.19

0.349

%RD30 (%)

26.1 ± 8.1

27.2 ± 7.4

0.330

RD30 (Gy)

39.9 ± 11.0

30.3 ± 7.4

< 0.001

BED (Gy2)

174.3 ± 18.4

216.1 ± 23.2

< 0.001