If the absolute risk of stroke in the first year is 20% and this risk is reduced to 10%…
If the absolute risk of stroke in the first year is 20% and this risk is reduced to 10%…
The relative risk reduction is ___? – 5% | 10% | 20% | 50% ✓ | 100% – Calculation: 20-10 = 10, 10/20= 50%.
The absolute risk reduction is ___? – 5% | 10% ✓ | 20% | 50% | 100% – Calculation: 20-10 = 10.
The number needed to treat for 1 year to prevent one stroke is ___? – 5 | 10 ✓ | 20 | 50 | 100 – Calculation: 100/10 = 10.
One patient in ___ taking the treatment will benefit in one year – 5 | 10 ✓ | 20 | 50 | 100 – Calculation: 10, same number as need to treat.
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Page last reviewed: 22 Apr 2022
