Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun Abbreviation of
number needed to harm .
Etymologies
Sorry, no etymologies found.
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Examples
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• Lynn Thorn, NNER Financial Counselor, wrote: "We did it as a 'TEAM'-$100,000 in collections in the NNH-ER since January."
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NNH (number needed to harm, that is number of women who would have to get an abortion to cause one extra case of breast cancer), or odds ratio, or risk ratio from a good study of abortion and breast cancer, we can cite it and discuss it.
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PalMD: Andy, if you can give me an actual NNH (number needed to harm, that is number of women who would have to get an abortion to cause one extra case of breast cancer), or odds ratio, or risk ratio from a good study of abortion and breast cancer, we can cite it and discuss it.
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If the analysis is focused on major bleeds and surgical bleeds, the NNT is 454 and the NNH is 303; it's a wash.
theHeart.org 2009
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