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. 2023 Mar 29;21:110. doi: 10.1186/s12916-023-02810-0

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© The Author(s) 2023

Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/. 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 in a credit line to the data.

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Fig. 2 — Network geometry of the included studies for (a) rapid antigen tests and (b) rapid molecular tests. Each vertex represents a different test, and each edge corresponds to at least one study comparing the two tests. Closed circles represent tests compared in single-test studies, and numbers in the circles show the number of single-test studies informing the underlying test. Solid black dots (non-closed circles without an enclosed number) represent tests compared in paired- or multi-test studies only. Dashed lines and solid lines represent paired-test and multiple-test studies, respectively