Table 2.
Transfusion rates for patients who underwent primary total knee arthroplasty
| Number of TKAs per group | Patients with autologous transfusion | Patients with allogeneic transfusion | Total number of allogeneic units | Average allogeneic transfusion per patient | Overall transfusion per patient | Autologous wastage rate (%) |
|---|---|---|---|---|---|---|
| Group A (n = 98) | 70 (71%) | 9 (9%) | 12 | 0.12 | 0.84 | 29 |
| Group B (n = 135) | 0 | 44 (33%) | 55 | 0.41 | 0.41 | |
| Group C (n = 185) | 0 | 11 (5.9%) | 13 | 0.07 | 0.07 | |
| Patients treated according to TPABD protocol (n = 283) | 70 (25%) | 20 (7%) | 25 | 0.08 | 0.34 | 29 |