Research Article

A New Model for Predicting Nonsentinel Lymph Node Metastasis in Early-Stage Breast Cancer Using MMP15

Table 3

Multivariate logistic regression analysis of factors related to NSLN metastases.

Variables valueOR95% CI
LowerUpper

Tumor size (cm)0.0111.8991.1573.117

Lymphovascular invasion
 Yes versus no0.0482.4551.0085.981

Neural invasion
 Yes versus no0.00340.9353.665457.198

Expression of MMP15 in cytoplasm
 Positive versus negative≤0.0014.9122.08311.585
Number of positive SLNs0.0382.471.0545.789
Number of negative SLNs0.4830.8250.4811.413
Percentage of positive SLNs0.7140.3610.00284.504
NLR0.1240.640.3621.131

SLNs, sentinel lymph nodes; MMP15, matrix metalloproteinase 15; NLR, the ratio of the absolute number of neutrophils to the absolute number of lymphocytes.