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Table 3 Prostate brachytherapy parameters (n = 241)

From: Erectile function after permanent 125I prostate brachytherapy for localized prostate cancer

Number of implanted seeds
 Mean ± SD 74.3 ± 11.6
 Min-max 47-111
Number of implanted needles
 Mean ± SD 21.4 ± 2.7
 Min-max 12-31
D90* (minimal dose received by 90% of the prostate gland)
 Mean ± SD 160.5 ± 22.2
 Min-max 97.5-222
U30* (minimal dose received by 30% of urethra)
 Mean ± SD 215 ± 44.7
 Min-max 14.1-395.8
RV160* (surface of rectum receiving 160 Gy)
 Mean ± SD 0.56 ± 0.76
 Min-max 0-5
V100* (percentage of the prostate volume receiving 100% of the prescribed dose)
 Mean ± SD 88 ± 7.9
 Min-max 61.8-99.5
V150* (percentage of the prostate volume receiving 150% of the prescribed dose)
 Mean ± SD 47.5 ± 14.5
 Min-max 16.1-84.7
  1. *: measurements 30 days after implantation.