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Table 8 Bias, precision, and accuracy of creatinine and cystatin C estimates for patients with estimated ≥ 60 ml/min per 1.73 m2 (n = 20)

From: Comparative study of various glomerular filtration rate estimating equations in Egyptian patients with hepatitis C virus-related liver cirrhosis: a single-center observational study

 

Bias

Precision

Accuracy % within

10%

30%

Estimates using serum creatinine

• Cockcroft-Gault

− 15.8

20.5

40

50

• MDRD

4.1

18.8

15

80

• CKD-EPI

− 1.1

19.2

20

65

Estimates using both serum creatinine and cystatin C

• CKD-EPI creatinine cystatin C

8.2

10.5

60

90

Estimates using serum cystatin C

• CKD-EPI cystatin C

12.9

14.2

25

75