Table 6.

Multivariate Analysis of Overall Survival

	p Value	HR	95.0% CI for HR
			Lower	Upper
LVI	0.002	17.404	2.923	103.644
Type of surgery	0.943	1.058	0.221	5.075
pCR	0.309	0.266	0.021	3.414
ACT	0.267	2.272	0.534	9.674
Tumor size	0.165	1.023	0.991	1.057

LVI, lymph vascular invasion; pCR, pathological complete response; ACT, adjuvant chemotherapy; HR, hazard ratio; CI, confidence interval.