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Transfusion rates by Risk Score. Units transfused calculated only for those patients who had transfusion
| SCORE | No. of patients | No. of patients transfused | Median units transfused (range) |
|---|---|---|---|
| 0 | 120 | 5 (4%) | 2 (2–3) |
| 1 | 237 | 22 (9%) | 2 (1–3) |
| 2 | 149 | 28 (18%) | 3 (2–22) |
| 3 | 59 | 25 (42%) | 3 (1–41) |
| 4 | 20 | 16 (80%) | 4 (1–20) |
| 5 | 4 | 4 (100%) | 3 (2–5) |
