. Author manuscript; available in PMC: 2018 Feb 13.

Published in final edited form as: Int J Radiat Oncol Biol Phys. 2015 Jun 25;93(3):631–638. doi: 10.1016/j.ijrobp.2015.06.021

Table 3.

Multivariate Analysis combining RSI and Molecular Subtype in Breast Cancer

Variable	Level Compared to Ref	Hazard Ratio	P Value
subtypebyge_RSI	HER2, Resistant	3.048 (0.776, 11.971)	0.1103
Ref: TN, Resistant	HER2, Sensitive/Int	0.608 (0.169, 2.179)	0.4447
	LUMA, Resistant	0.232 (0.079, 0.683)	0.008
	LUMA, Sensitive/Int	0.308 (0.132, 0.717)	0.0063
	LUMB, Resistant	0.334 (0.119, 0.936)	0.0369
	LUMB, Sensitive/Int	0.494 (0.214, 1.139)	0.0979
	TN, Sensitive/Int	0.239 (0.088, 0.648)	0.0049
age		0.941 (0.907, 0.977)	0.0014
rttotaldose	>66Gy	0.686 (0.409, 1.15)	0.1531
pT	pT2-3	1.083 (0.711, 1.651)	0.7094
surgicalmargin	marg+	1.517 (0.771, 2.988)	0.2277
pN	pN+	1.048 (0.522, 2.103)	0.8956
ct	ChT	0.738 (0.376, 1.449)	0.3773
ht	HT	2.064 (1.099, 3.878)	0.0243

• Only 9% of all patients received HT