Table 2. Univariate and multivariate analyses of OS and DFS.

Univariate analysis
	Overall survival			Disease free survival
Variable	HR	95% CI	P value	HR	95% CI	P value
Hormonal Treatment	0.36	0.18 to 0.69	0.002	0.37	0.19 to 0.73	0.004
ER expression	0.44	0.24 to 0.80	0.007	0.48	0.25 to 0.89	0.020
GPR30/ER patterns	0.65	0.47 to 0.88	0.01	0.67	0.48 to 0.94	0.02
GPR30/ER status	0.43	0.20 to 0.94	0.03	0.47	0.19 to 1.13	0.09
ER/PR patterns	0.78	0.63 to 0.97	0.03	0.81	0.65 to 1.02	0.07
Her-2/ER/PR status	2.12	1.70 to 3.84	0.01	2.20	1.17 to 4.14	0.02
EGFR expression	1.93	1.07 to 3.46	0.03	1.74	0.91 to 3.30	0.09
Multivariate analysis
ER expression	0.14	0.03 to 0.59	0.008	0.17	0.03 to 0.78	0.023