Quiz

If the absolute risk of stroke in the first year is 25% and this is reduced to 20%…

The relative risk reduction is ___? – 5% | 10% | 20% ✓ | 50% | 100% – Calculation: 25-20 = 5, 5/25 = 20%.

The absolute risk reduction is ___? – 5% ✓ | 10% | 20% | 50% | 100% – Calculation: 25-20 = 5.

The number needed to treat for 1 year to prevent one stroke is ___? – 5 | 10 | 20 ✓ | 50 | 100 – Calculation: 100/5 = 20.

One patient in ___ taking the treatment will benefit in one year – 5 | 10 | 20 ✓ | 50 | 100 – Calculation: 20 (same number as need to treat).