Implant R100 Predicts Rectal Bleeding in Prostate Cancer Patients Treated with IG-IMRT to 45 Gy and Pd-103 Implant

Table 2

Univariate and multivariate analyses.

Variable	Univariate 𝑃 value	Multivariate 𝑃 value
R100, cc	0.02	0.02
Prostate V200, %	0.07
Total source activity, U	0.09	0.31
Follow-up duration, d	0.12
Prostate V150, %	0.17
Number of implanted seeds, 𝑛	0.20
T stage	0.21
Prostate volume, cc	0.28
Risk group	0.36
PSA, 𝑛	0.40
Hormonal therapy	0.47
Total activity to prostate volume ratio	0.60
Time between IG-IMRT and implant, d	0.61
Age, y	0.71
Individual source activity, mCi	0.73
Prostate V100, %	0.83
Gleason score, 𝑛	0.89
D90, Gy	0.91
Pelvic radiation	0.99

PSA: prostate specific antigen.