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Table 3 Correlation, bias and precision across different ranges of CL CR

From: A comparison of CKD-EPI estimated glomerular filtration rate and measured creatinine clearance in recently admitted critically ill patients with normal plasma creatinine concentrations

 

r ( P-value)

Bias +/− precision (ml/min/1.73 m2)

CLCR < 90 ml/min/1.73 m2 (n = 28)

175 eGFR

0.223 (0.253)

−12.6 +/− 35.2

CG CLCR

0.278 (0.152)

−15.9 +/− 37.2

CKD-EPI eGFR

0.351 (0.067)

−11.1 +/− 23.2

CLCR 90–119 ml/min/1.73 m2 (n = 23)

175 eGFR

0.065 (0.767)

10.5 +/− 44.4

CG CLCR

0.066 (0.763)

−0.93 +/− 43.9

CKD-EPI eGFR

−0.067 (0.760)

14.8 +/− 22.8

CLCR 120–149 ml/min/1.73 m2 (n = 23)

175 eGFR

0.047 (0.832)

22.7 +/− 26.1

CG CLCR

0.369 (0.083)

6.62 +/− 23.9

CKD-EPI eGFR

0.347 (0.104)

29.2 +/− 10.8

CLCR ≥ 150 ml/min/1.73 m2 (n = 36)

175 eGFR

0.427 (0.009)

36.1 +/− 31.3

CG CLCR

0.399 (0.016)

27.8 +/− 27.2

CKD-EPI eGFR

0.460 (0.005)

55.0 +/− 20.9

  1. CLCR = 8-hr Creatinine Clearance, CG CLCR = Cockcroft-Gault Creatinine Clearance, 175 eGFR = Abbreviated Modification of Diet in Renal Disease 175 formula, CKD-EPI eGFR = Chronic Kidney Disease Epidemiology Collaboration Equation, r = Pearson correlation coefficient.
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BMC Nephrology

ISSN: 1471-2369

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