Moreover, an increase in the urinary to plasma NGAL ratio (u/pNGAL) but not plasma NGAL (pNGAL) was a good AKI marker in diabetic patients [43], and urinary to plasma NGAL ratio (u/pNGAL) was a slightly better AKI marker than urinary NGAL (uNGAL) alone. Here, LCN2 is linked to acute kidney injury.