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Pearson correlations for the filtration markers
| eGFRcr | 1/Serum CysC | 1/Serum BTP | 1/Serum B2M | |
|---|---|---|---|---|
| eGFRcr | 1.00 | |||
| 1/Serum CysC | 0.52 | 1.00 | ||
| 1/Serum BTP | 0.45 | 0.43 | 1.00 | |
| 1/Serum B2M | 0.61 | 0.69 | 0.52 | 1.00 |
Note: Transformation of the filtration markers was done to take into account the reciprocal physiologic associations between filtration and marker levels.
eGFRcr, creatinine-based estimated glomerular filtration rate; CysC, cystatin C; BTP, β-trace protein; B2M, β2-microglobulin
