Figure 1.
Kaplan-Meier curves of recurrence-free survival according to the different grades and different Ki-67 expression levels of breast cancer patients within different IHC-based subtypes. (a) All subtypes; (b) luminal-like; (c) HER2-positive; and (d) TNBC. Abbreviations: IHC-based, immunohistochemical-based; HER2, human epidermal growth factor receptor 2; TNBC, triple-negative breast cancer. NOTE. Ki-67 median = 15%, Ki-67 Low <15%, Ki-67 High ≥ 15%.