TABLE 2.

Univariate and Multivariate analysis of factors associated with OS

Variables	Univariate analysis			Multivariate analysis
	HR	95% CI	P	HR	95% CI	P
BCAS3high vs BCAS3low expression	12.827	4.577‐35.948	<.001	11.979	4.132‐34.725	<.001
Age	0.755	0.414‐1.375	.358	0.740	0.387‐1.414	.362
Location	0.817	0.449‐1.489	.510	0.927	0.481‐1.789	.822
Tumour size	1.828	1.003‐3.331	.049	1.294	0.674‐2.483	.438
Oestrogen receptor	0.766	0.420‐1.399	.387	0.785	0.354‐1.738	.550
Progesterone receptor	0.567	2.296‐1.088	.088	0.740	0.316‐1.732	.488
HER2	1.959	0.270‐14.239	.506	1.496	1.980‐11.334	.697
Grade II vs Grade III	1.180	0.648‐2.150	.588	0.573	0.294‐1.115	.101
stage I vs stage II vs stage III	2.100	1.286‐3.428	.003	1.308	0.793‐2.159	.293

Abbreviations: 95%CI, 95% confidence interval; OS, overall survival.

P <0.05 was considered statistically significant.