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Risk animation showing risk in patients with and without blood pressure reduction
| Day of TIA/ minor stroke | < 90 days | 90 days – 1 Year | 1 – 3 Years | 3 – 5 Years | |
|---|---|---|---|---|---|
| Risk of stroke without blood pressure reduction | 0 | 10 | 15 | 20 | 25 |
| Risk of stroke with blood pressure reduction | 0 | 8 | 12 | 16 | 20 |
| Number prevented in period | 0 | 2 | 1 | 1 | 1 |
| Cumulative number prevented | 0 | 2 | 3 | 4 | 5 |
In 100 stroke patients:
What is the risk of stroke in the first year on blood pressure reduction?
1 in 8
What is the risk of stroke in the first year without blood pressure reduction?
15%
How many patients who would otherwise have had a stroke avoid a stroke because of the blood pressure reduction in the first year?
3
What is the relative risk reduction associated with blood pressure reduction treatment over the first year?
20%
Page last reviewed: 22 Apr 2022
