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