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. 2023 Aug 8;13(1):221–231. doi: 10.1159/000531489

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© 2023 The Author(s). Published by S. Karger AG, Basel

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Fig. 4. — Predictive value of serum IGFBP7 (sIGFBP7) or/and TIMP2 (sTIMP2 in developing AKI after cardiac surgery. a, b sIGFBP7 or sTIMP2 was compared between AKI patients and no-AKI patients at different time points after cardiac surgery. c sIGFBP7*sTIMP2 values were compared between AKI patients and no-AKI patients at different time points after cardiac surgery. ROC curves for prediction of AKI using sIGFBP7 (d), sTIMP2 (e), and sIGFBP7*sTIMP2 (f). g Linear regression and correlation between sIGFBP7 2 h after ICU admission and eGFR, SCr, BUN, and UA. Log conversion was performed due to marked variations among the different groups. Data are mean ± SEM. *p < 0.05, **p < 0.01; ns, no significant difference.