Table II.
Transfusion rates as percentages and total numbers according to ASA class, transfusion strategy and orthopaedic procedure.
| Procedure | Overall | PABD+PCS group | PCS group |
|---|---|---|---|
| Overall | 9.1 (42) | 13.7 (25)** | 6.1 (17)** |
| TKA | 6.8 (15) | 9.7 (8) | 5.0 (7) |
| THA | 11.1 (27) | 17 (17)* | 7.0 (10)* |
|
| |||
| ASA Class I | |||
| Overall | 11.9 (10) | 13.1 (8) | 8.7 (2) |
| TKA | 11.5 (3) | 11.1 (2) | 12.5 (1) |
| THA | 12.1 (7) | 14.0 (6) | 6.7 (1) |
|
| |||
| ASA Class II | |||
| Overall | 8.5 (32) | 14.0 (17) | 5.8 (15) |
| TKA | 6.2 (12) | 9.4 (6) | 4.7 (6) |
| THA | 10.8 (20) | 19.3 (11)* | 7.0 (9)* |
Legend
*
p <0.05;
**
p <0.01.
PABD: pre-operative blood donation; PCS: post-operative cell salvage; TKA: total knee arthroplasty; THA: total hip arthroplasty; ASA: American Society of Anesthesiologists.