Table 3.
Correlation, bias and precision across different ranges of CLCR
| r ( P -value) | Bias +/− precision (ml/min/1.73 m 2 ) | |
|---|---|---|
| CLCR < 90 ml/min/1.73 m2 (n = 28) | ||
| 175 eGFR |
0.223 (0.253) |
−12.6 +/− 35.2 |
| CG CLCR |
0.278 (0.152) |
−15.9 +/− 37.2 |
| CKD-EPI eGFR |
0.351 (0.067) |
−11.1 +/− 23.2 |
| CLCR 90–119 ml/min/1.73 m2 (n = 23) | ||
| 175 eGFR |
0.065 (0.767) |
10.5 +/− 44.4 |
| CG CLCR |
0.066 (0.763) |
−0.93 +/− 43.9 |
| CKD-EPI eGFR |
−0.067 (0.760) |
14.8 +/− 22.8 |
| CLCR 120–149 ml/min/1.73 m2 (n = 23) | ||
| 175 eGFR |
0.047 (0.832) |
22.7 +/− 26.1 |
| CG CLCR |
0.369 (0.083) |
6.62 +/− 23.9 |
| CKD-EPI eGFR |
0.347 (0.104) |
29.2 +/− 10.8 |
| CLCR ≥ 150 ml/min/1.73 m2 (n = 36) | ||
| 175 eGFR |
0.427 (0.009) |
36.1 +/− 31.3 |
| CG CLCR |
0.399 (0.016) |
27.8 +/− 27.2 |
| CKD-EPI eGFR | 0.460 (0.005) | 55.0 +/− 20.9 |
CLCR = 8-hr Creatinine Clearance, CG CLCR = Cockcroft-Gault Creatinine Clearance, 175 eGFR = Abbreviated Modification of Diet in Renal Disease 175 formula, CKD-EPI eGFR = Chronic Kidney Disease Epidemiology Collaboration Equation, r = Pearson correlation coefficient.