Table 2 Agreement matrix of CKD stage by retrospectively calculated and automated eGFR values
CKD stage by automated eGFR, n (%) | CKD stage by retrospectively calculated eGFR, n (%) | Total | |||||
|---|---|---|---|---|---|---|---|
eGFR + 90 | eGFR 89–60 | Stage 3a (59–45) | Stage 3b (44–30) | Stage 4 (29–15) | Stage 5 (<  15) | ||
90+ | 94,809 (35.63) | 6495 (2.44) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 101,304 (38.07) |
89–60 | 1758 (0.66) | 127,020 (47.74) | 1935 (0.73) | 1 (0) | 0 (0) | 0 (0) | 130,714 (49.13) |
Stage 3a | 1 (0) | 1264 (0.48) | 22,061 (8.29) | 509 (0.19) | 0 (0) | 0 (0) | 23,835 (8.96) |
Stage 3b | 0 (0) | 0 (0) | 118 (0.04) | 7144 (2.68) | 74 (0.03) | 0 (0) | 7336 (2.76) |
Stage 4 | 0 (0) | 0 (0) | 1 (0) | 27 (0.01) | 1986 (0.75) | 11 (0) | 2025 (0.76) |
Stage 5 | 2 (0) | 0 (0) | 1 (0) | 0 (0) | 8 (0) | 859 (0.32) | 870 (0.33) |
Total | 96,570 (36.29) | 134,779 (50.65) | 24,116 (9.06) | 7681 (2.89) | 2068 (0.78) | 870 (0.33) | Â |