Compared with the reference group (1st tertile), the adjusted odds ratios for CI-AKI were 2.7 (CI 1.391–5.239, p = 0.003) for the 2nd tertile of NGAL and 3.57 (CI 1.788–7.141, p < 0.001) for the 3rd tertile of NGAL (Table 2). Here, LCN2 is linked to acute kidney injury.