Table 2.

Treatment characteristics for LDRB

Characteristics	Median (range)
No. of needles	21 (17-24)
No. of sources	57 (40-76)
Prostate volume, mL	40.7 (25-48)
Source activity, mCi	0.59 (0.4-0.6)
Preplanning/intraoperative prostate D90, Gy∗	176.8 (159.5-198.7)
Preplanning/intraoperative prostate V100†	99% (96.7%-100%)
Preplanning/intraoperative prostate V150	62.6% (44.6%-77.5%)
Preplanning/intraoperative prostate V200	28.9% (18.6%-44.7%)
Preplanning/intraoperative urethra D5	91.5% (84.4%-110%)
Preplanning/intraoperative urethra V150, mL	0 (0-17.5)
Prostate D90 on day 30 postimplant CT, Gy	160.5 (138-190)
Rectum V100 on day 30 postimplant CT, mL	0.2 (0-0.3)

Abbreviations: CT = computed tomography; LDRB = low-dose-rate brachytherapy.

^∗D90: Radiation dose delivered to 90% of the prostate volume.

^†V100: Volume of the prostate receiving 100% of the prescription dose.