Preoperative prosthetic valve knowledge and basic numeracy
| Correct (%) | |
|---|---|
| Prosthetic valve knowledge (n=129) | |
| 1. Which valve type is most durable? | 84 |
| 2. Which valve type is associated with increased risk of blood clots? | 72 |
| 3. Which valve type requires lifelong anticoagulation? | 88 |
| Basic numeracy questions (n=84) | |
| 1. Convert 1% to 10 in 1000 | 87 |
| 2. Convert 1 in 1000 to 0.1% | 61 |
| 3. How many heads in 1000 coin flips? | 89 |