Table 5 Factors associated with postoperative allogeneic blood transfusion rate
Coefficient | Univariate Logistic regression | Multivariate logistic regression | ||||
|---|---|---|---|---|---|---|
HR | P value | 95% CI | Adjusted HR | P value | 95% CI | |
Age (year) | ||||||
 < 60 | Reference | Reference | Reference | Reference | Reference | Reference |
 ≥ 60 | 2.810 | .031 | 1.101–7.166 | 3.092 | .041 | 1.048–9.123 |
BMI (kg/m2) | 0.808 | .004 | 0.698–0.935 | 0.805 | .007 | 0.687–0.944 |
Preoperative hemoglobin (g/l) | ||||||
 < 120 | Reference | Reference | Reference | Reference | Reference | Reference |
 ≥ 120 | 0.156 | .005 | 0.043–0.567 | 0.092 | .004 | 0.018–0.477 |
Preoperative hematocrit (%) | ||||||
 < 45 | Reference | Reference | Reference | NA | NA | NA |
 ≥ 45 | 0.218 | .270 | 0.034–2.163 | NA | NA | NA |
Intraoperative cell salvage | ||||||
 No | Reference | Reference | Reference | Reference | Reference | Reference |
 Yes | 0.358 | .037 | 0.137–0.939 | 0.176 | .006 | 0.051–0.608 |