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MEASURING THE SIZE OF A TREATMENT EFFECT: RELATIVE RISK REDUCTION, ABSOLUTE RISK REDUCTION, AND NUMBER NEEDED TO TREAT

Hollands, Hussein MD, MS (epid); Kertes, Peter J. MD, CM, FRCS(C)

Evidence-Based Ophthalmology: January 2009 - Volume 10 - Issue 1 - p 4-8
doi: 10.1097/01.ieb.0000344184.05701.e6
Measuring the Size of a Treatment Effect: Relative Risk Reduction, Absolute Risk Reduction, and Number Needed to Treat
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© 2009 Lippincott Williams & Wilkins, Inc.