Table 4.

Multivariate analysis of disease-free survival.

Characteristics		Cox Regression Model		p Value
		Hazard Ratio	95% CI
T stage	T1 vs. T2–4	2.628	1.489–4.638	0.001
LVI	(−) vs. (+)	1.92	1.071–3.441	0.028
HG	I or II vs. III	2.288	1.349–3.880	0.002
LNR	≤0.10 vs. >0.10	1.689	1.043–2.737	0.033
Molecular subtype	Luminal A vs. non-luminal A	1.029	0.695–2.121	0.496

Abbreviations: LVI, lymphovascular invasion; HG, histologic grade; LNR, lymph-node ratio.