. Author manuscript; available in PMC: 2017 Nov 28.

Published in final edited form as: Int J Radiat Oncol Biol Phys. 2012 Jul 12;85(3):686–692. doi: 10.1016/j.ijrobp.2012.05.023

Table 4.

Multivariate for Late Toxicity

Late Toxicity	Late GU ≥ Grade 2	Late GI ≥ Grade 2	Impotence
Age >65 vs ≤65	NS	NS	p<0.001
Pre-RT IPSS >15 vs ≤15	p=0.001	NS	–
Diabetes mellitus	NS	NS	NS
ADT (yes vs no)	NS	NS	NS
Acute GU Toxicity	p=<0.001	NS	p<0.001
Acute GI Toxicity	NS	p=0.03	NS

Abbreviations: ADT, androgen-deprivation therapy; GI, gastrointestinal; GU, genitourinary; IPSS, International Prostate Symptom Score; NS, non-significant; RT, radiation therapy; PSA, prostate-specific antigen