MMI question: Calculation under time
Number needed to treat
An intervention reduces an outcome from 6 per cent to 4 per cent. How many people do you have to treat to prevent one event, and what does that number not tell you?
- Category
- Calculation under time
- Stations that ask you to do
- Suits
- Medicine and dentistry
- Topic
- Number needed to treat
What this kind of station tests
Arithmetic done out loud, correctly, while being watched. The station is as much about what the candidate does when unsure as about the number.
Written by MedAdmit. No UK medical or dental school publishes the questions it asks at interview, so this is not presented as one a school asks. The model answers, and the follow-up questions an interviewer asks, are part of the interview programme.