Agreement Between TPSM GFR and Cystatin C and β-Trace Protein GFRs
| Comparison | Limits of agreement* | SD | Mean difference |
| Cystatin C and TPSM | |||
| Total | −26.5, 3.6 | 7.7 | −11.4 |
| Group 1 | −24.8, 6.2 | 7.9 | 9.3 |
| Group 2 | −23.8, 2.3 | 6.5 | −10.8 |
| Group 3 | −29.2, 3.3 | 8.3 | −12.9 |
| β-trace protein and TPSM | |||
| Total | −21.4, 23.4 | 11.4 | 1.0 |
| Group 1 | −14.9, 3.2 | 4.6 | −5.9 |
| Group 2 | −13.0, 4.8 | 4.5 | −4.1 |
| Group 3 | −19.5, 30.9 | 12.9 | 5.7 |
↵* 95% confidence interval.