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. 2018 Dec 10;18:165. doi: 10.1186/s12874-018-0632-5

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© The Author(s). 2018

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted 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. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 1 — Sensitivity (Se), positive predictive value (PPV), and false match rate (False), by match score threshold. Notes: Se = linked records over N true matches; PPV = true matches over N linked records; False = false matches over N linked records; or simply the inverse of PPV