uNGAL1 and uNGAL2 in AKI group showed higher values than non-AKI group: μ1 NGAL (19.1±4.6 vs 6.8±3.7 μg/ml; p<0.0001), u2 NGAL (19.6±5.6 vs. 6.1±4.0 μg/ml; p<0.0001), uNGAL/uCr 1 (127.9±30.7 vs 56.6±39.9 μg/mg; p<0.0001) and uNGAL/uCr 2 (138.3±31.6 vs 58.8±43.4 μg/mg; p<0.0001). The gene discussed is LCN2; the disease is acute kidney injury.