Fig. 3From: Serum indoxyl sulfate is associated with mortality in hospital-acquired acute kidney injury: a prospective cohort studyThe changes of concentrations of uremic toxins in 89 patients occurring AKI. (a) serum indoxyl sulfate (IS); (b) serum β2-microglobulin (beta2-MG); (c) serum creatinine (Scr)Back to article page