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. 2016 Mar 2;16:29. doi: 10.1186/s12911-016-0267-6

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© Marian et al. 2016

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. 4 — Line graph showing percentage of ASA PS 1&2 patients in 3-month blocks during the entire duration of this analysis (Oct 2009 to September 2014). Arrows mark transitions: 1) paper records to initial AIMS in November 2010 and 2) initial AIMS to modified AIMS in August 2013