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. 2021 Nov 23;11:22767. doi: 10.1038/s41598-021-01358-4

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© The Author(s) 2021

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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Example of the process for comparing the PAT time series to the SBP time series. (a) shows the SBP time series with the cuff inflations at once-a-minute and the 60 Hz interpolated signal used for signal alignment. (b) shows the processed PAT time series. (c) shows the aligned PAT time series shifted 148.5-s earlier and averaged PAT values at times of cuff inflation. (d) shows a scatter plot of the PAT and BP data points and the regression line through them.