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. 2021 Sep 10;23(9):e31129. doi: 10.2196/31129

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©Changho Han, Youngjae Song, Hong-Seok Lim, Yunwon Tae, Jong-Hwan Jang, Byeong Tak Lee, Yeha Lee, Woong Bae, Dukyong Yoon. Originally published in the Journal of Medical Internet Research (https://www.jmir.org), 10.09.2021.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work, first published in the Journal of Medical Internet Research, is properly cited. The complete bibliographic information, a link to the original publication on https://www.jmir.org/, as well as this copyright and license information must be included.

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PR curves for the various target lead sets. The plot on the upper left shows the average PR curves according to the number of leads. The solid lines depict the average PR curves, and the shaded areas depict 1 SD of the PR curves. The rest of the plots show the PR curves for the 12-, 4-, 3-, 2-, and single-lead sets, respectively. In all plots, the performance of the automatic ECG interpretations is depicted as dots. AUPRC: area under the precision-recall curve; PR: precision-recall.