LCN2 and acute kidney injury: However, Abdulameer AN et al. results showed an increase in NGAL level in CKD patients versus controls and revealed a high positive correlation between NGAL and creatinine.36 Patel ML et al. reported the progressive increase in NGAL level from CKD stage 2-4, which is consistent with our study.37 Consistent with our study, Naqvi R et al. reported NGAL as highly predictable biomarker for AKI.38.