. Author manuscript; available in PMC: 2014 Dec 1.

Published in final edited form as: Int J Radiat Oncol Biol Phys. 2013 Oct 8;87(5):10.1016/j.ijrobp.2013.07.041. doi: 10.1016/j.ijrobp.2013.07.041

Table 1.

Grade 2+ Acute GU/GI Toxicity, Multivariate analysis

Stratified variables	Variable categories	Observed risk	95% Confidence Interval	p-Value
RT Method	3DCRT 79.2Gy	RL	(0.379, 0.999)	0.049
RT Method	IMRT	0.615	(0.379, 0.999)	0.049
Age	≤70 y	RL	(0.361, 0.861)	0.008
Age	>70	0.558	(0.361, 0.861)	0.008
Race	White	RL	(0.487,1.519)	0.604
Race	Non-white	0.860	(0.487,1.519)	0.604

RL=reference level