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. 2022 Oct 13;46(1):9–18. doi: 10.1038/s41440-022-01060-6

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© The Author(s) 2022

Open Access This 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 license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license 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 license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 4 — Relationship between blood pressure variability and indoor temperature instability re-edited from ref. [37] †A: morning-evening (ME) difference in systolic blood pressure (SBP) and ME difference in indoor temperature. B: standard deviation (SD) of SBP and SD of indoor temperature. The plot shows the average of each group, and the error bar shows the 95% confidence interval. SD was calculated from a 2-week measurement. ME average was used as a representing value of each day when calculating SD