Table 6 Bias, precision, and accuracy of creatinine and cystatin C estimates in male patients
Bias | Precision | Accuracy % within | ||
|---|---|---|---|---|
10% | 30% | |||
Estimates using serum creatinine | ||||
• Cockcroft-Gault | − 20.2 | 14.7 | 17 | 24 |
• MDRD | − 4 | 10.7 | 24 | 90 |
• CKD-EPI | − 6.8 | 10.7 | 24 | 86 |
Estimates using both serum creatinine and cystatin C | ||||
• CKD-EPI creatinine-cystatin C equation | 6 | 8.5 | 69 | 90 |
Estimates using serum cystatin C | ||||
• CKD-EPI cystatin C equation | 14.2 | 10.6 | 10 | 66 |