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Table 3 Predictive performances of the MDRD, CKD-EPI SCr, CKD-EPI SCysC, and combined equations in ICU patients

From: Detection of decreased glomerular filtration rate in intensive care units: serum cystatin C versusserum creatinine

GFR estimates Bias (mL/min) Absolute Precision mL/min Accuracy 30%
MDRD +35 70 40
CKD-EPI + 1 37 60*
CKD-EPI Scyst -26 36 53
CKD-EPI combined -12 35 62
  1. *: p < 0.05 versus MDRD study equation.