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. 2017 Jan 6;12(1):e0169853. doi: 10.1371/journal.pone.0169853

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© 2017 Obata et al

This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Fig 3 — The four-quadrant plot analysis assesses the trending ability of %SV changes as estimated from pulse wave velocity compared to %SV changes as measured by transesophageal echocardiography. The concordance rate was 85.0% with an exclusion zone of 15% (shaded grey area). SV: stroke volume, %ΔSV_PWV: rate of change in sequential stroke volume estimated from PWV, %ΔSV_TEE: rate of change in sequential stroke volume measured by transesophageal echocardiography.