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Table 3 Correlation between different measures of glomerular filtration

From: A comparison of estimates of glomerular filtration in critically ill patients with augmented renal clearance

 

Median (IQR)

(All, n= 86)

rs (P-value)

(All, n= 86)

rs (P-value)

(Portugal, n= 43)

rs (P-value)

(Australia, n= 43)

Measured CLCR, ml/min/1.73 m2

162 (145-190)

   

CG, ml/min/1.73 m2

135 (116-171)*

0.26 (0.017)

0.29 (0.059)

0.29 (0.056)

Modified CG, ml/min/1.73 m2

93 (83-110)*

0.22 (0.044)

0.36 (0.017)

0.05 (0.732)

4-variable MDRD, ml/min/1.73 m2

124 (102-154)*

0.22 (0.047)

0.22 (0.161)

0.24 (0.122)

6-variable MDRD, ml/min/1.73 m2

108 (87-135)*

0.18 (0.097)

0.25 (0.105)

0.11 (0.490)

  1. * P<0.01 when compared with measured CLCR.
  2. CG, Cockcroft Gault; CLCR, creatinine clearance; IQR, interquartile range; MDRD, modification of diet in renal disease; rs = Spearman correlation coefficient.
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Critical Care

ISSN: 1364-8535