After viewing the animation above, see if you can answer the questions below.
Risk of stroke with and without statins
| Day of TIA/ | < 90 Days | 90 Days – 1 Year | 1 – 3 Years | 3 – 5 Years | |
|---|---|---|---|---|---|
| Risk of stroke without statins | 0 | 10 | 15 | 20 | 25 |
| Risk of stroke with statins | 0 | 8 | 12 | 16 | 20 |
| Number prevented | 0 | 2 | 1 | 1 | 1 |
| Cumulative number prevented | 0 | 2 | 3 | 4 | 5 |
Answer the following questions about risk of stroke
What is the risk of stroke in the first 90 days without statin?
1 in 10
What is the risk of stroke in the first 90 days on statin?
8%
How many patients in 100 who would otherwise have had a stroke avoid a stroke because of the statin in the first 90 days?
2
What is the relative risk reduction associated with statin treatment over the first 90 days?
20%
Page last reviewed: 25 Feb 2022
