The NNT - 3 views
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anonymous on 30 Sep 10The NNT offers a measurement of the impact of a medicine or therapy by estimating the number of patients that need to be treated in order to have an impact on one person. The concept is statistical, but intuitive, for we know that not everyone is helped by a medicine or intervention - some benefit, some are harmed, and some are unaffected. The NNT tells us how many of each.