Table 5. Evaluation of eGFR with different equations (top panel) and concordance of attribution to each class of eGFR with Cohen’s weighted K test (bottom panel).
| CKD-EPI (ml/min/1.73 m2) | MDRD (ml/min/1.73 m2) | Cockcroft-Gault (ml/min) | Cockcroft-Gault adjusted (ml/min/1.73 m2) | |
|---|---|---|---|---|
| 2398 patients | 2398 patients | 2398 patients | 2398 patients | |
| Number of patients (%) with eGFR ≥80 | 842 (35.1%) | 902 (37.6%) | 1076 (44.9%) | 770 (32.1%) |
| Number of patients (%) with eGFR 50–79 | 1133 (47.2%) | 1143 (47.7%) | 879 (36.7%) | 1117 (46.6%) |
| Number of patients (%) with eGFR 30–49 | 334 (13.9%) | 285 (11.9%) | 354 (14.8%) | 411 (17.1%) |
| Number of patients (%) with eGFR <30 | 89 (3.7%) | 68 (2.8%) | 89 (3.7%) | 100 (4.2%) |
| Mean ± SD of eGFR | 69.93 ± 21.19 | 73.77 ± 23.87 | 79.74 ± 33.77 | 70.41 ± 25.71 |
| Weighted K coefficients (and 95% CI) and classes of renal function based on eGFR estimates | ||||
| MDRD | Cockcroft-Gault | Cockcroft-Gault adjusted | ||
| CKD-EPI | 0.8918 (0.8776–0.9061) | 0.6242 (0.6000–0.6483) | 0.7254 (0.7039–0.7469) | |
| MDRD | 0.5755 (0.5499–0.6012) | 0.6404 (0.6164–0.6643) | ||
| Cockcroft-Gault | 0.7654 (0.7460–0.7848) | |||