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Correlation analysis of miR-214 and miR-218, respectively, and clinicopathological data. The correlation between (A and B) miR-214 or (C and D) miR-218 expression and Ki-67 or progesterone receptor (PR) were evaluated, respectively. Ki-67 and PR were detected by immunohistochemistry, when the number of stained cells was >10% in one field, it was defined as positive. The P-values were assessed by non-parametric test. NS, indicates no statistical difference.
