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. 2015 Sep 14;38(12):1201–1210. doi: 10.1007/s40264-015-0341-5

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© The Author(s) 2015

Open AccessThis article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/), which permits any noncommercial use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

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Fig. 5 — Numbers needed to detect a true association. Note: this represents the ‘cost’ per signal, e.g. in the case of detection of acute myocardial infarction (AMI) in EudraVigilance, 5 signals needed to be investigated in order to detect 1 true association. BE bullous eruption, EU-ADR exploring and understanding adverse drug reactions, FRACT fracture, PANC pancreatitis, UGIB upper gastrointestinal bleeding