Table 3.

Univariate analysis of DFSand OS

Factors	DFS HR				OS HR
	Average	Lower	Upper	P-value	Average	Lower	Upper	P-value
Age	1.02	0.98	1.06	0.317	1.05	1.00	1.10	0.072
T stage	1.90	0.81	4.47	0.139	3.16	1.05	9.54	0.041
N stage	1.38	0.86	2.23	0.183	2.19	1.03	4.69	0.043
ER	1.10	0.41	2.99	0.846	0.52	0.17	1.59	0.252
HER2	1.38	0.59	3.22	0.463	3.17	1.04	9.69	0.043
TAM	1.27	0.52	3.11	0.605	0.81	0.22	2.96	0.754
Other endoa	1.40	0.59	3.32	0.453	0.93	0.31	2.76	0.894
Chemotherapy	0.81	0.24	2.74	0.738	24.16	0.01	43,520.00	0.405
GPER1	0.55	0.23	1.30	0.174	0.84	0.28	2.51	0.76

Note:

^aOther endo: other endocrine therapy except for TAM.

Abbreviations: DFS, disease-free survival; ER, estrogen receptor; GPER1, G protein-coupled estrogen receptor 1; HR, hazard ratio; OS, overall survival; TAM, tamoxifen treatment.