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Observed transfusion of 1 or 2 units by region.
| Region | |||||
|---|---|---|---|---|---|
| Number of Transfusions | Overall | 1 | 2 | 3 | 4 |
| 0 Units | 74.8 | 84.1 (75.0, 90.0) | 81.1 (75.5, 84.5) | 80.0 (65.0, 90.5) | 70.0 (52.0, 87.5) |
| 1 Unit | 9.7 | 5.1 (2.5, 11.0) | 9.8 (5.0, 15.0) | 6.8 (1.0, 22.5) | 11.8 (2.5, 24.0) |
| 2 Units | 15.5 | 10.8 (7.5, 19.0) | 9.1 (2.5, 11.0) | 13.3 (6.5, 19.5) | 18.2 (4.0, 29.5) |
Values represent the mean across centers, along with the minimum and maximum center values (in parentheses) within each region.
