From: Transfusions and blood loss in total hip and knee arthroplasty: a prospective observational study
Excessive bleeding (EBL/ kg > 12.7 mL/ kg) | Allogeneic RBC transfusion | |||||
---|---|---|---|---|---|---|
OR | 95% CI | p value | OR | 95% CI | p value | |
Age (years) | 1.02 | 0.97–1.08 | 0.45 | 0.99 | 0.92–1.06 | 0.79 |
Sex (F) | 0.69 | 0.24–1.95 | 0.49 | 0.29 | 0.068–1.28 | 0.10 |
BMI (kg/ m 2 ) | 0.81 | 0.69–0.95 | 0.010 | 0.78 | 0.62–0.98 | 0.034 |
Weight (kg) | 0.96 | 0.92–1.0 | 0.046 | 0.97 | 0.92–1.02 | 0.26 |
NSAID (No) | 0.94 | 0.26–3.34 | 0.92 | 0.88 | 0.16–4.68 | 0.88 |
ASA (No) | 1.14 | 0.32–4.0 | 0.84 | 2.57 | 0.3–22.02 | 0.39 |
SSRI (No) | 1.12 | 0.21–5.93 | 0.89 | 1.03 | 0.11–9.37 | 0.98 |
Hemoglobin (g/ L) | 1.09 | 1.03–1.16 | 0.001 | 0.91 | 0.84–0.97 | 0.007 |
Platelet count (10 9 /L) | 1.0 | 0.99–1.01 | 0.56 | 1.001 | 0.99–1.01 | 0.88 |
PT (INR) | 0.001 | 0.00–1.03 | 0.051 | 0.036 | 0–220.4 | 0.46 |
aPTT (s) | 0.91 | 0.78–1.07 | 0.26 | 1.34 | 1.03–1.74 | 0.028 |
Operation time (minutes) | 1.00 | 0.98–1.02 | 0.87 | 1.03 | 1.00–1.06 | 0.034 |
Anesthesia (spinal) | 2.12 | 0.43–10.48 | 0.35 | 0.72 | 0.13–3.92 | 0.71 |
EBL/ kg | n.a. | 1.020 | 0.88–1.18 | 0.795 |