Key result
Relative risk reduction, absolute risk reduction, and number needed to treat are fundamental statistical metrics used to measure and interpret the size of a clinical treatment effect.
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May aid balanced interpretation of treatment effects in ophthalmology; leaves open standardized adoption in future reporting guidelines.
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Hollands et al. (2010) studied this question. Relative risk reduction, absolute risk reduction, and number needed to treat are fundamental statistical metrics used to measure and interpret the size of a clinical treatment effect.
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