Table 3.
Univariate and multivariate logistic regression analysis in patients with APACHE III scores
| Variable | Unadjusted | Multivariate | ||
|---|---|---|---|---|
| Odds ratio (95% CI) | P value | Odds ratio (95% CI) | P value | |
| APACHE III score (one point) | 1.03 (1.02 to 1.04) | <0.0001* | 1.04 (1.03 to 1.05) | <0.0001* |
| RBC units transfused (number) | 1.09 (1.05 to 1.13) | <0.0001* | 1.02 (0.97 to 1.08) | 0.45 |
| Platelet transfusion (yes/no) | 1.79 (1.20 to 2.67) | 0.005* | 1.17 (0.58 to 2.34) | 0.66 |
| FFP transfusion (yes/no) | 2.10 (1.44 to 3.05) | 0.0001* | 1.98 (1.16 to 3.38) | 0.01* |
| Cardiac surgery (yes/no) | 0.21 (0.11 to 0.39) | <0.0001* | 0.31 (0.14 to 0.71) | 0.006* |
| Pretransfusion hemoglobin (per g/dl) | 1.02 (1.00 to 1.04) | 0.04* | 1.06 (1.03 to 1.09) | 0.0001* |
| Older quartiles versus freshest quartile of maximum RBC age | 1.87 (1.17 to 2.99) | 0.01* | 2.01 (1.07 to 3.77) | 0.03* |
| Leukodepletion | 1.12 (0.71 to 1.77) | 0.61 | 0.88 (0.34 to 2.24) | 0.78 |
| Study site | 0.12 | 0.30 | ||
APACHE, Acute Physiology and Chronic Health Evaluation; CI, confidence interval; FFP, fresh frozen plasma; RBC, red blood cell. *Significant variable (P < 0.05).