Small breast epithelial mucin tumor tissue expression is associated with increased risk of recurrence and death in triple-negative breast cancer patients

Table 6 The impact of SBEM and other risk factors on OS by Cox’s proportional hazards analysis

Covariate	P value		Hazard radio		95% Confidence interval
Covariate	Univariate	Added SBEM	Univariate	Added SBEM	Univariate	Added SBEM
SBEM (3+ vs. <3+)	0.000	0.000	4.113	4.113	2.004-8.440	2.004-8.440
Lymph Node (Pos. vs. Neg.)	0.000	0.000	2.972	2.734	1.777-4.970	1.617-4.623
Age (>35Y vs. ≤35Y)	0.646	0.942	1.140	0.979	0.652-1.992	0.551-1.738
Tumor size (>20 mm vs. ≤20 mm)	0.308	0.367	0.771	0.794	0.468-1.271	0.481-1.311
Grade (>1 vs. =1)	0.066	0.085	0.563	1.720	0.305-1.040	0.928-3.188
Grade (=3 vs. ≤2)	0.001	0.004	3.036	2.688	1.572-5.864	1.371-5.273
TNM (>1 vs. =1)	0.000	0.000	3.164	2.769	1.918-5.218	1.705-4.498
TNM (=3 vs. ≤2)	0.000	0.001	4.000	3.565	1.987-8.055	1.734-7.332
Ki67 (≤35 vs. > 35)	0.001	0.004	2.956	2.597	1.585-5.512	1.362-4.950

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