Table 4.

Cox regression of protein expression in metastasis of breast cancer.

Variable	B	SE	Wald	P-value	OR	OR 95% CI
ER	− 0.551	0.544	1.026	0.311	0.576	0.198	1.674
HER2	− 0.615	0.727	0.714	0.398	0.541	0.130	2.250
E-Cad	0.158	0.384	0.170	0.680	1.171	0.552	2.487
Ki67	0.357	0.466	0.585	0.445	1.428	0.573	3.563
Molecular subtypes
Luminal A	–	–	–	–	Reference	Reference	Reference
Luminal B	− 0.332	0.602	0.305	0.581	0.717	0.220	2.334
Luminal HER2	− 0.194	0.631	0.094	0.759	0.824	0.239	2.839
HER2-enriched	− 0.232	0.694	0.112	0.738	0.793	0.204	3.088
Basal-like	− 0.615	0.727	0.714	0.398	0.541	0.130	2.250
Lymph node metastasis
0	–	–	–	–	Reference	Reference	Reference
1 ~ 3	− 0.066	0.344	0.037	0.847	0.936	0.477	1.836
4 ~ 9	0.419	0.315	1.765	0.184	1.521	0.819	2.822
≥ 10	0.786	0.332	5.599	0.018	2.195	1.144	4.208
MSH2	− 0.064	0.041	2.453	0.117	0.938	0.865	1.016
MLH1	− 0.069	0.045	2.341	0.126	0.934	0.855	1.020
PARP1	0.137	0.037	13.868	< 0.001	1.147	1.067	1.233
XRCC1	0.108	0.044	5.930	0.015	1.114	1.021	1.215
XRCC4	0.084	0.035	5.728	0.017	1.088	1.015	1.166
53BP1	− 0.020	0.034	0.352	0.553	0.980	0.918	1.047
ERCC1	0.066	0.034	3.805	0.051	1.068	1.000	1.141
XPA	0.040	0.030	1.775	0.183	1.041	0.981	1.103