Table 3.
Proportion of CKD-stage changes across the 45 mL/min threshold according to estimated glomerular filtration rate (eGFR) estimation formula by age group in patients on follow-up at the CHM nephrology outpatient units.
| eGFR Estimation Formula | |||||
|---|---|---|---|---|---|
| CKD-EPI | Lund–Malmö Revised | Full Age Spectrum | Berlin Initiative Study 1 | MDRD | |
| Overall | |||||
| % vs. CKD-EPI | 0 | 7.2% | 5.86% | 0.1% | −8.52% |
| N | 1044 | 1125 | 1109 | 1045 | 962 |
| <60 years of age | |||||
| % vs. CKD-EPI | 0 | 7.09% | −13.46% | −45.68% | 1.67% |
| N | 118 | 127 | 104 | 81 | 120 |
| ≥60 to <80 years of age | |||||
| % vs. CKD-EPI | 0 | 6.96% | 5.84% | −1.3% | −8.84% |
| N | 468 | 503 | 497 | 462 | 430 |
| ≥80 years of age | |||||
| % vs. CKD-EPI | 0 | 7.47% | 9.84% | 8.76% | −11.17% |
| N | 458 | 495 | 508 | 502 | 412 |