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| Risk Increase / Number Needed to Harm Multicalc |
The EBMcalc module Risk Increase / Number Needed to Harm Multicalc is available in EBMcalc Complete Edition.
This calculator yields the following results:
- Abs Risk Increase
- Rel Risk Increase
- NNH
Equation parameters include:
- Control Event Rate
- Exp Event Rate
References
- Carney S, Doll H. Introduction to biostatistics: Part 2. Measures of association as used to address therapy, harm, and etiology questions. ACP J Club. 2005 Sep-Oct;143(2):A8. PubMed ID: 16134901
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