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. 2015 Jun 10;15:49. doi: 10.1186/s12874-015-0034-x

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© Kulinskaya and Dollinger. 2015

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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Achieved levels for homogeneous studies, N=90, q=1/3. Achieved levels for the three tests Q _γ (solid line), BD (dot-dash), and $Q_{χ^{2}}$ (dash) plotted against the log odds ratio θ. Here all studies have the same parameters: 90 subjects in each study with unequal arms with 60 in the treatment arm (N=90 and q=1/3).