Table 2 Incidence of AKI according to KDIGO staging in transfused patients according to quartiles of oldest red blood cells transfused
From: Age of red blood cells and outcome in acute kidney injury
|  | Quartile 1 (n = 143) | Quartiles 2 to 4 (n = 509) | P-value |
|---|---|---|---|
No AKI | 63.6% (55.8, 71.5) | 49.5% (45.2, 53.9) | 0.003 |
Stage 1 | 19.6% (13.1, 26.1) | 19.6% (16.2, 23.1) | >0.999 |
Stage 2 | 5.6% (1.8, 9.4) | 9.4% (6.9, 12.0) | 0.177 |
Stage 3 | 11.2% (6.0, 16.4) | 21.4% (17.9, 25.0) | 0.006 |
RRT | 5.6% (1.8, 9.4) | 17.3% (14.0, 20.6) | <0.001 |