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. 2023 Mar 29;25:e42845. doi: 10.2196/42845

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©Tianzhuo Yu, Haiyan Xu, Xin Sui, Xin Zhang, Yue Pang, Tianyue Yu, Xiaoqian Lian, Ting Zeng, Yuejin Wu, Xin Leng, Feng Li. Originally published in the Journal of Medical Internet Research (https://www.jmir.org), 29.03.2023.

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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Effects of eHealth on changes in cardiorespiratory fitness among patients in cardiac rehabilitation [41,43,45-47,51]. SMD: standardized mean difference.