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. 2022 Mar 9;11(6):e024521. doi: 10.1161/JAHA.121.024521

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© 2022 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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A, Histograms of all bipolar voltage values in all patients in each quartile and the control group are shown. Each histogram consisted of a total of 2999 (Q1), 2832 (Q2), 2645 (Q3), 2492 (Q4), and 931 (control) voltage values. B, A density curve and cumulative probability curve of each quartile and the control group are shown. KSL indicates Kolmogorov‐Smirnov Lillefors; and S‐W, Shapiro‐Wilk.