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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
  1. Results are presented as percentage of patients (95% CI). AKI, acute kidney injury; KDIGO, Kidney Disease: Improving Global Outcomes; RRT, renal replacement therapy.