LCN2 and familial dilated cardiomyopathy: Significantly higher levels of NGAL and the NGAL/creatinine ratio were observed in the DCM group (6.46 ± 5.22 ng/mL and 7.99 ± 6.53, respectively) compared to the control group (2.76 ± 1.8 ng/mL and 2.79 ± 1.81), with p-values of 0.02 and 0.04, respectively.