Number Needed to Harm (Statistics) — MRCPCH TAS MCQ

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ModerateStatistics & Evidence-Based MedicineNumber Needed to Harm (Statistics)uk-mrcpch-tas

A researcher calculates the number needed to harm (NNH) for an adverse effect of a drug. The incidence of the adverse effect is 8% in the treatment group and 3% in the placebo group. What is the NNH?

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