[Retracted] Clinicopathological Features of 166 Cases of Invasive Ductal Breast Carcinoma and Effect of Primary Tumor Location on Prognosis after Modified Radical Mastectomy

Table 3

Assignment for multivariate analysis of factors.

Influencing factors	Assignment
Molecular typing	Luminal type = “0”; unluminal type = “1”
Lymph node metastasis	No = “0”, 1∼3 nodes = “1”, ≥4 nodes = “2”
Vascular infiltration	No = “0”, yes = “1”
Primary tumor location	Outer upper quadrant = “0,” outer lower quadrant = “1,” central area = “2,” inner upper quadrant = “3,” inner lower quadrant = “4”