Table 4.

Multivariate analysis of predictive factors for rectal bleeding

Variable	Hazard ratio	95% C.I.	P-value
Age	1.036	0.998–1.074	0.062
3D-CRT vs IMRT	1.280	0.762–2.150	0.085
V65 (<17% vs ≥17%)	1.719	1.032–2.865	0.038
Prostate volume	0.991	0.974–1.010	0.354
ADT	0.879	0.561–1.380	0.576
Hypertension	1.066	0.702–1.621	0.764
Diabetes	1.081	0.567–2.060	0.813
Usage of Anticoagulant	1.430	0.816–2.507	0.211

ADT = androgen deprivation therapy, C.I. = confidence interval.