Table 2.
Three-Way Classification of Kidney Function Equations: Comparison of Chronic Kidney Disease Epidemiology Collaboration and Modification of Diet in Renal Disease Equations, Without Adjustment for Body Surface Area
| Participants, No. (%) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| eGFR by MDRD, mL/min/1.73 m2 | ||||||||||
| <60 | 60 to <90 | ≥90 | ||||||||
| CrCl by CG, mL/min | CrCl by CG, mL/min | CrCl by CG, mL/min | ||||||||
| eGFR by CKD-EPI, mL/min/1.73 m2 | <60 | 60 to <90 | ≥90 | <60 | 60 to <90 | ≥90 | <60 | 60 to <90 | ≥90 | All Participants |
| <60 | 18 (0.2) | 167 (2.2) | 16 (0.2) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 201 (2.6) |
| 60 to <90 | 14 (0.2) | 131 (1.7) | 31 (0.4) | 99 (1.3) | 1381 (17.8) | 1080 (13.9) | 0 (0) | 1 (0.0) | 0 (0) | 2737 (35.3) |
| ≥90 | 0 (0) | 0 (0) | 0 (0) | 4 (0.1) | 353 (4.5) | 696 (9.0) | 8 (0.1) | 757 (9.8) | 3006 (38.7) | 4824 (62.1) |
Abbreviations: CG, Cockcroft-Gault; CKD-EPI, Chronic Kidney Disease Epidemiology Collaboration; CrCl, creatinine clearance; eGFR, estimated glomerular filtration rate; MDRD, Modification of Diet in Renal Disease.