[Retracted] Analysis of the Influencing Factors of Sentinel Lymph Node Metastasis in Breast Cancer

Table 2

Assignment of multivariate logistic regression analysis.

Factors	Evaluation
Age	≤40 = 1; >40 = 2
Ki-67 (IHC)	≤30% = 1; 30∼60% = 2; >60%+ = 3
HER-2 (IHC)	Negative = 1; Unsure = 2; Positive = 3
Molecular subtype	Luminal A = 1; luminal B = 2; HER-2+ = 3; sanyin type = 4
Size of tumor	≤2 cm = 1; 2∼5 cm = 2; >5 cm = 3
Histological grading	I = 1; II = 2; III = 3
Pathological type	Carcinoma in situ = 1; nonspecific = 2; special = 3