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Table 3 Levels of renal biomarkers during follow up classified by diagnosis of AKI

From: Epoetin administrated after cardiac surgery: effects on renal function and inflammation in a randomized controlled study

Variables* No AKI AKI P
  N = 62 N = 18  
Creatinine R μmol/l 79.4 ± 19.8 116 ± 39.9 =0.001
Creatinine 48 h μmol/l 74.0 ± 19.7 142.1 ± 50.8 <0.001
Creatinine 96 h μmol/l 74.1 ± 18.1 129.7 ± 46.4 <0.001
Cystatin C R mg/l 1.14 ± 0 .24 1.67 ± 0.44 <0.001
Cystatin C 48 h mg/l 1.20 ± 0.27 1.73 ± 0.36 <0.001
Cystatin C 96 h mg/l 1.20 ± 0.24 1.90 ± 0.49 <0.001
uNGAL R ng/ml 18.9 (0–43.5) 57.6 (26.5-138.8) <0.001
uNGAL 48 h ng/ml 17.4 (5.8-40.9) 40.2 (21.1-102.6) 0.009
  1. R: randomization. 48 h: 48 hours after randomization. 96 h: 96 hours after randomization. AKI: acute kidney injury.
  2. *Cystatine C is expressed as mean ± standard deviation. uNGAL is expressed as median and (25th-75th percentiles).
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