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Table 5 Comparison of bias and accuracy between the eGFR and rGFR

From: CKD-EPI creatinine-cystatin C glomerular filtration rate estimation equation seems more suitable for Chinese patients with chronic kidney disease than other equations

Equation

Bias (mL/min/1.73 m2)

Bias of 95% CI

30% accuracy

50% accuracy

eGFRscr*

−4.8

−5.8, −3.8

51.2%

77.6%

eGFRcys*

2.4

1.5, 3.3

60.3%

86.4%

eGFRscr_cys

−0.3

−1.2, 0.6

57.4%

83.7%

eGFRa_MDRD*

−6.0

−7.3, −4.8

52.1%

76.4%

eGFRc_MDRD*

−8.9

−10.4, −7.4

47.1%

71.3%

eGFR_MDRD*

−11.5

−13.0, −10.0

49.0%

73.5%

  1. *Compared with rGFR, P = 0.000
  2. ▲Compared with rGFR, P = 0.550