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Table 7 Bias, precision, and accuracy of creatinine and cystatin C estimates in female patients

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 − 17.8 17.6 16 39
• MDRD 1 14.8 42 74
• CKD-EPI − 2.8 15.2 29 71
Estimates using both serum creatinine and cystatin C
• CKD-EPI creatinine cystatin C 4.9 6.5 68 97
Estimates using serum cystatin C
• CKD-EPI cystatin C 7.7 8.6 35 77