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Novel urinary biomarkers are elevated in previously AKI-positive patients at long-term follow-up. Median biomarker concentrations at the time of longitudinal follow-up are displayed for AKI-positive (n=30 except for liver fatty acid–binding protein [L-FABP], for which n=29) compared with AKI-negative (n=18) patients. Error bars represent 25th and 75th percentiles. Cr, creatinine; KIM-1, kidney injury molecule-1; NGAL, neutrophil gelatinase-associated lipocalin.
