Table 6.

COX proportional hazard regression model test (enter method) for OS

	B	SE	Wald	p-Value	Exp(B)	95% CI for Exp(B)
						Lower	Upper
Age	0.039	0.032	1.437	0.231	1.040	0.976	1.108
Tumour size	0.103	0.029	12.729	0.000	1.109	1.048	1.173
Number of positive LNs	0.326	0.140	5.431	0.020	1.385	1.053	1.821
Histological grade	0.167	0.885	0.036	0.851	1.181	0.209	6.694
LVI	−0.417	0.862	0.234	0.628	0.659	0.122	3.570
HR	−0.779	0.603	1.670	0.196	0.459	0.141	1.495
HER2	1.504	0.504	8.917	0.003	4.500	1.677	12.079
Ki67	−0.504	3.053	0.027	0.869	0.604	0.002	239.819
Chemotherapy	−1.964	0.882	4.961	0.026	0.140	0.025	0.790

HER2, human epidermal growth factor 2; HR, hormone receptor; LN, lymph node; LVI, lymphovascualar invasion; OS, overall survival.