Reference Entry

Number Needed To Harm (NNH)

Edited by Miquel Porta

in A Dictionary of Epidemiology

Sixth edition

Published in print January 2014 | ISBN: 9780199976720
Published online July 2016 | e-ISBN: 9780199390069
Number Needed To Harm (NNH)

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1. The number of persons needed to be treated, on average, to produce one more adverse event (e.g., occurrence

Reference Entry.  265 words. 

Subjects: Epidemiology

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