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Indications for transfusion.
| Indicationfor transfusion | Hip | Knee | Shoulder | |||||
| Primary total | Revision | Primary total | Revision | Unicondylar | Primary total | Revision | Primary hemi-arthroplasty | |
| Intraoperative bleeding | 7 | 2 | 0 | 1 | 0 | 0 | 0 | 0 |
| Postoperative anaemia | 16 | 6 | 5 | 4 | 0 | 4 | 0 | 0 |
| Postoperative haematoma evacuated | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Anaemia on restarting anticoagulation | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
