Table 2.

Multiple Binary Logistic Regression Analysis for Predicting Clinicopathologic Factors Associated with Lymph Node Metastasis

Variables	P Value	Odd Ratio	95% CI for OR
			Lower	Upper
High Grade	0.299	1.249	0.819	1.905
ER/PR Negative	0.007	1.745	1.162	2.621
HER2 overexpression	0.087	1.576	0.931	2.668
Presence of LVI	<0.001	3.385	2.313	4.954
Larger Tumor Size	<0.001	3.008	2.014	4.492

ER, estrogen receptor; PR, progesterone receptor; LVI, Lymphovascular invasion; CI, confidence interval