Table 4 CKD stage classification based on eGFR estimation by the six equations (n = 1296)
Equation | CKD stage based on rGFR | Kappa | ||||
|---|---|---|---|---|---|---|
Stage 1 | Stage 2 | Stage 3 | Stage 4 | Stage 5 | ||
eGFRscr | 98 (94.2%) | 121 (36.6%) | 263 (49.7%) | 83 (37.7%) | 107 (95.5%) | 0.392 |
eGFRcys | 78 (75.0%) | 152 (45.9%) | 266 (50.3%) | 101 (45.9%) | 103 (92.0%) | 0.406 |
eGFRscr_cys | 88 (84.6%) | 165 (49.8%) | 272 (51.4%) | 79 (35.9%) | 108 (96.4%) | 0.423 |
eGFRa_MDRD | 93 (89.4%) | 137 (41.4%) | 269 (50.9%) | 87 (39.5%) | 107 (95.5%) | 0.407 |
eGFRc_MDRD | 98 (94.2%) | 116 (35.0%) | 264 (49.9%) | 81 (36.8%) | 108 (96.4%) | 0.387 |
eGFR_MDRD | 99 (95.2%) | 109 (32.9%) | 264 (49.9%) | 95 (43.2%) | 101 (90.2%) | 0.388 |