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. 2017 Oct 31;359:j4651. doi: 10.1136/bmj.j4651

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Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://group.bmj.com/group/rights-licensing/permissions

This is an Open Access article distributed in accordance with the terms of the Creative Commons Attribution (CC BY 4.0) license, which permits others to distribute, remix, adapt and build upon this work, for commercial use, provided the original work is properly cited. See: http://creativecommons.org/licenses/by/4.0/.

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graphic file with name lopj039521.f3.jpg — Fig 3 Network plots for revision at (A) 0-2 years and (B) 2-10 years after primary total hip replacement. The presence of a line between implant combination nodes indicates that the implant combinations had been compared directly within a trial. Node size and line thickness are proportional to the number of studies contributing to each intervention and comparison, respectively. The number of hips contributing to each comparison is displayed. CoP=ceramic-on-polyethylene; HCL=highly cross linked; MoP=metal-on-polyethylene; MoM=metal-on-metal; CoC=ceramic-on-ceramic