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. 2020 May 14;29(1):204–212. doi: 10.1007/s12350-020-02141-0

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© The Author(s) 2020

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/.

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Boxplots showing individual relative differences (%) of the rest MBF (N = 28), stress MBF (N = 25), and MFR (N = 24) when comparing the D690 with the Vereos PET system. The SD of the relative differences by the orange dashed lines and the test–retest precision of 21% by the blue solid lines. Each dot represents a single patient. As the MFR is the ratio between stress and rest MBF, large MFR differences presumably arise from a large change in stress MBF and minimal change in rest MBF or vice versa