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. 2015 Jun 2;15:447. doi: 10.1186/s12885-015-1448-x

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© Ku et al.; licensee BioMed Central. 2015

This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), 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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Fig. 3 — Forest plots of disease-specific survival by lymph node density. (Left) The horizontal lines correspond to the study-specific hazard ratio (HR) and 95 % confidence interval (CI), respectively. The area of the squares reflects the study-specific weight. The diamond represents the pooled results of HR and 95 % CI. (Right) The Begg test funnel plots for publication bias. Each point represents a separate study of the indicated association. The vertical line represents the mean effects size.