| Methods | Randomised clinical trial |
| Participants | Patients with acute myocardial infarction and haematocrit less than 30% Sample size = 45 patients |
| Interventions | Liberal transfusion: transfuse when haematocrit < 30% to maintain 30% to 33%) Conservative transfusion: transfuse when haematocrit < 24% to maintain 24% to 27% |
| Outcomes | The primary clinical safety measurement of in-hospital death, recurrent myocardial infarction, or new or worsening congestive heart failure |
| Notes |
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