ALB and acute kidney injury: In the study of Lee and colleagues, lower serum albumin concentrations were associated with the development in AKI in 285 colistin-treated patients with estimated glomerular filtration rate (GFR) ≥ 60 mL/min/1.73 m2, but not in 44 patients with estimated GFR < 60 mL/min/1.73 m2 (although possibly because of the low sample size of this latter subgroup)24.