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Serum and urine NGAL and KIM-1 in the AKI and non-AKI groups (n = 21 and 25, respectively). While KIM-1 levels are comparable in the two groups, NGAL levels both in serum and urine samples are significantly higher in the AKI group (*p = .006 and ** p = .032, respectively, means ± SEM, student t-test).
