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Table 2 Median storage days and risk of ALI/ARDS in patients with sepsis

From: Longer storage duration of red blood cells is associated with an increased risk of acute lung injury in patients with sepsis

Characteristics Odds ratio 95% CI p value
Median storage days (28 vs. 18) 1.8 1.07-3.04 0.028
Unit of transfused blood (4 vs. 2) 0.93 0.57-1.52 0.765
Age (65 vs. 47 yr) 0.62 0.37-1.04 0.069
Baseline APACHE II score (33 vs. 23) 0.87 0.51-1.5 0.612
Current smoker (yes vs. no) 0.93 0.42-2.07 0.863
  1. Odds ratio for median storage days is the odds of developing ALI/ARDS in the 96 hours after transfusion for the patients receiving RBCs in the 75th compared with 25th percentile of storage duration.