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. 2023 May 16;16(5):e010012. doi: 10.1161/CIRCHEARTFAILURE.122.010012

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© 2023 The Authors.

Circulation: Heart Failure is published on behalf of the American Heart Association, Inc., by Wolters Kluwer Health, Inc. This is an open access article under the terms of the Creative Commons Attribution Non-Commercial-NoDerivs License, which permits use, distribution, and reproduction in any medium, provided that the original work is properly cited, the use is noncommercial, and no modifications or adaptations are made.

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Figure 5. — Central mean arterial pressure (cMAP) assessments using the cardiac scale compared with a reference device, the SphygmoCor XCEL™ brachial blood pressure cuff. Left, Scatter plot with a linear regression line for the scale-derived and reference device cMAP measurements (n=252 data pairs from 88 participants; r=0.75; mean absolute percent error, 9.6%). Right, Bland-Altman analysis plotting the bias (mean error of cardiac scale minus reference device) of −0.14 mm Hg and 95% limits of agreement (LOA) of −26.1 to 25.8 mm Hg (dotted lines).