Annual probability of ischemic stroke
| Age Group (y) . | Nontransfused, high-risk patients (PBT refusals, PBT alloimmunization, BMT rejection) . | BMT (successful) and healthy PBT patients* . |
|---|---|---|
| 0-2 | 0.0500 | 0.0050 |
| 3-4 | 0.0750 | 0.0075 |
| 5-14 | 0.1000 | 0.0100 |
| 15-16 | 0.0750 | 0.0075 |
| 17-19 | 0.0200 | 0.0020 |
| 20-29 | 0.0050 | 0.0005 |
| 30-31 | 0.0200 | 0.0020 |
| 32+ | 0.0400 | 0.0040 |
| Age Group (y) . | Nontransfused, high-risk patients (PBT refusals, PBT alloimmunization, BMT rejection) . | BMT (successful) and healthy PBT patients* . |
|---|---|---|
| 0-2 | 0.0500 | 0.0050 |
| 3-4 | 0.0750 | 0.0075 |
| 5-14 | 0.1000 | 0.0100 |
| 15-16 | 0.0750 | 0.0075 |
| 17-19 | 0.0200 | 0.0020 |
| 20-29 | 0.0050 | 0.0005 |
| 30-31 | 0.0200 | 0.0020 |
| 32+ | 0.0400 | 0.0040 |
PBT = periodic blood transfusion; BMT = bone marrow transplantation.
The model assumes that the annual probability of ischemic stroke among successful BMT patients and healthy PBT patients is 90% less than the annual probability of ischemic stroke in nontransfused and high-risk patients.