Table 3.

Univariate and multivariate disease-free survival analyses in positive lymph node metastases group of TNBC cohort

	Univariate analysis		Multivariate analysis
	Hazard ratio (95% CI)	p-value	Hazard ratio (95% CI)	p-value
Histologic grade (1&2 vs. 3)	0.914 (0.474-1.762)	0.788	1.364 (0.696-2.685)	0.364
pT (3&4 vs. 1&2)	2.129 (1.009-4.492)	0.047	1.788 (0.828-3.860)	0.139
Tumor-infiltrating lymphocytes (%)
< 10	1	0.003	1	0.014
10-30	0.815 (0.427-1.557)	0.536	0.874 (0.442-1.730)	0.699
30-60	0.630 (0.310-1.278)	0.200	0.635 (0.300-1.343)	0.235
> 60	0.198 (0.082-0.477)	< 0.001	0.231 (0.091-0.587)	0.002
Cytoplasmic LMP7 expression
None	1	0.107	1	0.726
Low	0.827 (0.444-1.542)	0.551	0.940 (0.487-1.813)	0.853
High	0.483 (0.239-0.978)	0.043	0.752 (0.355-1.594)	0.457

TNBC, triple-negative breast cancer; CI, confidence interval.