Number needed to treat
ARR, RRR, relative risk, and NNT (or NNH) from event rates.
Inputs
0 of 2%
%
When to use
- Interpreting trial results.
Pearls and pitfalls
- NNT is specific to the time frame and population of the trial.
Why use
Switches to NNH automatically when treatment increases events.
- where
- CER, EER
- Control and experimental event rates