Correlation Between TPSM GFR and β-Trace Protein and Cystatin C GFRs for the 2 Levels of Urinary β2 Microglobulin
| Urinary β2 microglobulin | |||
| Method | ≤0.2 (mg/L) (n = 19) | >0.2 (mg/L) (n = 63) | P |
| Cystatin C | 0.892 (<0.0001) | 0.839 (<0.01) | 0.0001 |
| β-trace protein | 0.626 (<0.0001) | 0.722 (<0.0001) | 0.02 |