IL6 and acute kidney injury: The AUC (95% confidence interval (CI), p) of the initial levels of PCT, CRP, IL-6, and SAA for AKI prognosis were 0.559 (0.368–0.750, p = 0.552), 0.629 (0.432–0.826, p = 0.194), 0.446 (0.256–0.635, p = 0.583), and 0.506 (0.293–0.718, p = 0.95), respectively (Figure 6).