Comparative Performance of Creatinine-Based Estimated Glomerular Filtration Rate Equations in the Malays: A Pilot Study in Tertiary Hospital in Malaysia
Table 5
Mean, bias, precision, and accuracy of GFR estimates within two BMI subgroups.
Variable
BMI < 23 kg/m2
BMI ≥ 23 kg/m2
GFR (ml/min/1.73 m2)
Measured
43.19 ± 19.44
41.61 ± 23.78
CGBSA
41.80 ± 23.96
39.94 ± 17.67
4-MDRD
43.14 ± 23.28
33.16 ± 13.90
CKD-EPI
44.57 ± 25.73
34.46 ± 15.40
Median bias
CGBSA
−1.34 (−23.8, 27.35)
−1.66 (−33.07, 19.81)
4-MDRD
0.04 (−22.8, 23.6)
−8.44 (−55.80, 6.10)
CKD-EPI
1.39 (−19.8, 32.6)
−7.15 (−48.80, 7.10)
Mean difference
CGBSA
−1.34 ± 11.54
−1.66 ± 10.68
4-MDRD
−0.04 ± 11.06
8.44 ± 11.74
CKD-EPI
1.39 ± 12.31
−7.15 ± 10.71
Accuracy within 10
CGBSA
7.0
8.1
4-MDRD
14.3
16.2
CKD-EPI
14.3
10.8
Accuracy within 30
CGBSA
50.0
48.6
4-MDRD
50.0
54
CKD-EPI
42.9
54.1
Mean CGBSA GFR versus measured GFR , mean 4-MDRD GFR versus measured GFR , and mean CKD-EPI GFR versus measured GFR . Mean CGBSA GFR versus measured GFR , mean 4-MDRD GFR versus measured GFR , and mean CKD-EPI GFR versus measured GFR .
