Table 5.
Agreements between multivariate equations and mGFR in special patients
| Mean±SD | Wilcoxon test | Bland-Altman analysis | |||
|---|---|---|---|---|---|
| Z | P | Bias | 95%LOA | ||
| Single kidney (n=10) | |||||
| mGFR | 66.5±19.2 | ||||
| Schwartz et al. (ScrcysEq09) | 77.3±22.0 | −1.988 | 0.05 | −10.8±14.5 | −39.2; 17.6 |
| Schwartz et al. (ScrcysEq12) | 75.0±20.5 | −1.682 | 0.09 | −8.5±13.6 | −35.2 ; 52.2 |
| Chehade et al. | 77.5±21.2 | −1.988 | 0.05 | −11.0±15.3 | −41.0; 19.0 |
| Kidney transplant (n=7) | |||||
| mGFR | 63.0±18.6 | ||||
| Schwartz et al. (ScrcysEq09) | 58.2±18.1 | −0.676 | 0.50 | 4.8±12.5 | −19.7; 29.3 |
| Schwartz et al. (ScrcysEq12) | 57.5±17.5 | −1.014 | 0.31 | 5.4±12.1 | −18.3 ; 29.1 |
| Chehade et al. | 57.9±24.3 | −0.845 | 0.40 | 5.0±14.0 | −22.4; 32.4 |
| Z-score≤−2.5 (n=11) | |||||
| mGFR | 59.7±28.5 | ||||
| Schwartz et al. (ScrcysEq09) | 61.4±20.8 | −0.445 | 0.66 | −1.7±14.9 | −30.9; 27.5 |
| Schwartz et al. (ScrcysEq12) | 59.8±19.6 | −0.445 | 0.66 | −0.1±14.7 | −28.9; 28.7 |
| Chehade et al. | 64.7±29.8 | −0.978 | 0.33 | −4.9±19.0 | −42.1; 32.3 |
Note: GFR unit is mL/min/1.73 m2; Z is the value of the Wilcoxon test between eGFR and mGFR; 95% LOA is the 95% limits of agreement.