Table 4 Precision and bias between measured CLCR and mathematical estimates
All patients(n= 86) | Portugal patients (n= 43) | Australia patients (n= 43) | ||||
|---|---|---|---|---|---|---|
Bias | Precision | Bias | Precision | Bias | Precision | |
CG, ml/min/1.73 m2, (%) | 39 (23) | ± 75 (33) | 50 (34) | ± 47 (28) | 28 (12) | ± 96 (34) |
Modified CG, ml/min/1.73 m2, (%) | 84 (57) | ± 70 (26) | 83 (61) | ± 42 (21) | 85 (53) | ± 93 (30) |
4-variable MDRD, ml/min/1.73 m2, (%) | 48 (30) | ± 76 (34) | 56 (38) | ± 52 (30) | 41 (22) | ± 97 (36) |
6-variable MDRD, ml/min/1.73 m2, (%) | 68 (45) | ± 76 (35) | 73 (52) | ± 48 (29) | 63 (37) | ± 99 (38) |