|
Characteristics
|
Odds ratio
|
95% CI
|
p value
|
|---|
|
Maximum storage days (32 vs. 20)
|
2
|
1.12-3.58
|
0.02
|
|
Unit of transfused blood (4 vs. 2)
|
0.88
|
0.54-1.45
|
0.626
|
|
Age (65 vs. 47 yr)
|
0.64
|
0.38-1.07
|
0.089
|
|
Baseline APACHE II score (33 vs. 23)
|
0.89
|
0.52-1.54
|
0.676
|
|
Current smoker (yes vs. no)
|
0.86
|
0.39-1.91
|
0.717
|
- Odds ratio for maximum 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 maximum storage duration, defined as the unit of RBCs of the longest storage duration received by a patient.
