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. 2016 Apr 16;4:27. doi: 10.1186/s40560-016-0154-3

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© Voldby and Brandstrup. 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. 1 — Meta-analysis of number of patients developing complications after abdominal surgery in studies using GDT. Some studies do not provide information on complications and are therefore excluded in the meta-analysis. Test for heterogeneity is significant, and the results should be interpreted with caution. Size of data marker corresponds to weighting of each study and RR with 95 % CI. Diamonds sum up the overall effect estimate. RR <1 favors GDT. Heterogeneity: tau² = 0.04; chi² = 20.41; df = 11 (p = 0.04); I ² = 46 %. Test for overall effect: z = 4.56 (p < 0.0001)