Table 4.

Performance of the CG and MDRD formulas in the GFR groups according to K/DOQI-CKD classificationa

mGFRnSensitivitySpecificityPPVNPV
CGMDRDCGMDRDCGMDRDCGMDRD
≥9080764.449.191.795.181.885.281.776.4
60 to 89.951252.955.978.574.242.639.684.784.8
30 to 59.948470.972.987.086.260.559.791.491.9
15 to 29.927561.853.594.193.359.953.194.593.4
<1513043.860.098.796.467.151.396.697.5
  • a Data presented in %. CG, Cockcroft-Gault formula; MDRD, Modification of Diet in Renal Disease; K/DOQI, Kidney Disease Outcomes Quality Initiative; CKD, Chronic Kidney Disease; mGFR, measured glomerular filtration rate by renal inulin clearance (ml/min/1.73 m2); PPV, positive predictive value; NPV, negative predictive value.