Table 2. Multivariable analysis in ER+ patients for overall survival and relapse-free survival (Affymetrix datasets).

	OS		RFS
Variable	HR (95% CI)	P value*	HR (95% CI)	P value*
low HSF1 versus high HSF1	0.65 (0.47–0.89)	0.0083	0.71 (0.51–1)	0.048
LN- versus LN+	0.48 (0.35–0.67)	1.93e-05	0.77 (0.57–1.03)	0.079
Grade 3 versus 1 + 2	1.5 (1.05–2.15)	0.025	1.25 (0.92–1.7)	0.148
Age > 50yrs versus < 50yrs	1.49 (1.05–2.13)	0.025	0.82 (0.62–1.1)	0.18
Tumor size > 20 mm versus < 20 mm	2.07 (1.48–2.9)	2.54e-05	1.98 (1.5–2.62)	1.58e–06