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. 2014 Apr 24;8:19. doi: 10.1186/1754-9493-8-19

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Copyright © 2014 McNelis and Castaldi; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. 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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SAR: PNEU July 2011. Caterpillar chart with bold arrow noting study institution results for pneumonia. O: E odds ratio is 1.4. Each line corresponds to the result of one particular hospital. More successful performers lie to the left. Better than average hospitals show a Confidence Interval (CI) entirely below the mean (horizontal black line). Shaded green and pink are outliers.