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. 2019 Sep 28;8(19):e013748. doi: 10.1161/JAHA.119.013748

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© 2019 The Authors. Published on behalf of the American Heart Association, Inc., by Wiley.

This is an open access article under the terms of the http://creativecommons.org/licenses/by-nc-nd/4.0/ License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non‐commercial and no modifications or adaptations are made.

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Association of the phase of dialysis with heart rate and HRV after adjustment for circadian rhythm and clinical characteristics. bpm indicates beats per minute; HF, high‐frequency power; HR, heart rate; HRV, heart rate variability; LF, low‐frequency power; RenEn, Renyi entropy; rMDDS, root mean square of the successive normal sinus to normal sinus intervals differences; SamEn, sample entropy; SD ₁, the SD of the Poincaré plot cloud of points in the direction perpendicular to the line‐of‐identity; SD ₁₂, SD ₁/SD ₂ ratio; SD ₂, the SD of the cloud of points in the direction of the line‐of‐identity.