Table 2.
Pearson Correlations Between Filtration Markers
| mGFR | eGFRcr | eGFRcys | 1/BTP | 1/B2M | |
|---|---|---|---|---|---|
| mGFR | 1.00 | ||||
| eGFRcr | 0.76 | 1.00 | |||
| eGFRcys | 0.79 | 0.80 | 1.00 | ||
| 1/BTP | 0.32 | 0.37 | 0.39 | 1.00 | |
| 1/B2M | 0.65 | 0.61 | 0.80 | 0.35 | 1.00 |
Abbreviations: B2M, β2-microglobulin; BTP, β-trace protein; eGFRcr, creatinine-based estimated glomerular filtration rate; eGFRcys, cystatin C–based estimated glomerular filtration rate; mGFR, measured glomerular filtration rate.
Note: All P-values for correlations are <0.001.