General / Multi-Specialty A
Number Needed to Treat (NNT) / Number Needed to Harm (NNH)
Calculates NNT or NNH from event rates in treatment and control groups. Fundamental EBM tool for communicating treatment effectiveness.
References
- Laupacis A, et al. An assessment of clinically useful measures of the consequences of treatment. N Engl J Med. 1988;318(26):1728-1733.
Related
Curated clinical cross-links plus same-class fallbacks.
Drugs
- Emollient bath and shower products, paraffin-containing · Paraffin-based bath/shower emollient
- Emollient creams and ointments, hydrogenated castor oil-containing · Hydrogenated castor oil-based emollient
- Dimeticone · Topical pediculicide (silicone-based)
- Prednisolone (Oral — General Medicine) · Oral Corticosteroid
- Influenza vaccine (inactivated) · Vaccine
- Artemether with Lumefantrine · Artemisinin-Based Combination Antimalarial (ACT)
Decision support only — verify against MDCalc, NICE, or your local guideline before clinical use.