Risk animation showing risk in patients with and without anticoagulation
| Day of TIA | < 1 month | 1 month – 1 year | 1 – 5 years | |
|---|---|---|---|---|
| risk of stroke without anticoagulation | 0 | 15 | 25 | 45 |
| risk of stroke with anticoagulation | 0 | 5 | 10 | 15 |
| number prevented in period | 0 | 10 | 5 | 15 |
| cumulative number prevented | 0 | 10 | 15 | 30 |
Questions about stroke
What is the risk of stroke in the first year on anticoagulation?
10%
What is the risk of stroke in the first year without anticoagulation?
25%
How many patients who would otherwise have had a stroke avoid a stroke because of the anticoagulation in the first year?
15
What is the relative risk reduction associated with anticoagulation treatment over the first year?
60%
Page last reviewed: 21 Jul 2023
