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(A) Receiver operating curve for the PRESERVE step-wise logistic regression model predicting GFR deterioration at 1 year post-LT in the initial CTOT14 plasma discovery cohort. Variables included in the PRESERVE model: HCV+ (yes/no), β−2 microglobulin protein level, and CD40 protein level. (B) Receiver operating curve for the same PRESERVE step-wise logistic regression model predicting GFR deterioration at both 1 and 5 years post-LT in the BUMC serum validation cohort.
