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. 2014 Jan 22;16(1):R7. doi: 10.1186/bcr3599

Figure 1.

Figure 1

Women with tumors having a higher AR:ER ratio have a shorter disease-free and disease-specific overall survival as compared with patients with lower AR:ER ratio. Immunohistochemistry for androgen receptor (AR) and estrogen receptor (ER) were performed on formalin-fixed paraffin-embedded sections of primary breast cancers. Slides were scored for the percent of positive nuclear staining for AR and ER. Ratios were calculated to determine the best cutoff point for analysis. For (A) to (D) women are divided into two groups: those with AR:ER ratios <2.0 (blue squares) and those with AR:ER ratios ≥2.0 (red circles). The number of patients at risk at each time point is reflective of the number of patients censored due to no further follow-up data at each time point (underneath). Kaplan–Meier survival curve for: (A) disease-free survival (DFS) for all patients; (B) disease-specific survival (DSS) overall for all patients; (C) DFS for patients who failed while on tamoxifen therapy; (D) DSS overall for patients who failed while on tamoxifen therapy; and (E) representative images of AR and ER staining from the two groups (400× magnification).