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. 2019 Nov 21;10:1415. doi: 10.3389/fphys.2019.01415

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Copyright © 2019 Chandrasekhar, Yavarimanesh, Hahn, Sung, Chen, Cheng and Mukkamala.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Validation results for the formula for explaining the maximum amplitude algorithm [see Figure 1 and Equation (7)]. Correlation and Bland-Altman plots of P_max (external pressure at which the oscillogram peaks) predicted by the formula vs. P_max measured from the oscillogram via the maximum amplitude algorithm (left plots) and of invasive mean BP (P_m) vs. measured P_max (right plots). R is the correlation coefficient; μ, mean of the errors (bias error); and σ, standard deviation of the errors (precision error).