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. 2017 Oct 11;4:155. doi: 10.3389/fmed.2017.00155

Figure 4.

Figure 4

DQ mean fluorescence intensity (MFI) of donor specific antibody (DSA) at peak according to antibody-mediated rejection (AMR) status. Peak was defined as the time point of DSA with the highest sum MFI for AMRNeg (DSAPosAMRNeg) patients, or as the time of AMR diagnosis for AMRPos patients. (A) Frequency and number of patients with DQ DSA at the peak. (B) Frequency and number of patients with immunodominant DQ DSA at the peak. (C) Each patient’s DQ DSA MFI are represented as a circle. Comparison of number of patients, as well as median and mean DQ DSA MFI, for AMRPos and AMRNeg patients is in the table below. (D) ROC curve for use of DQ DSA MFI as a predictor of AMR diagnosis and the specificity/sensitivity according to different MFI cutoffs. Groups were compared using Chi-square (A,B) and Mann–Whitney tests (C) and significance values are denoted above lines over compared groups.