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. 2022 May 23;9:856749. doi: 10.3389/fcvm.2022.856749

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Copyright © 2022 Chen, Liu, Deng, Yang, Wang, Lin, Yu, Pu, Zhang, Li, Zhong, Jia, Li, Wang, Chen, Burkhoff and He.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Between-group comparisons of left ventricular characteristics. (A) Left ventricular end-diastolic volume. (B) Left ventricular end-systolic volume. (C) Left ventricular ejection fraction. (D) Left ventricular global longitudinal strain. (E) Cardiac output. (F) Left ventricular mass. *p < 0.05 Han migrants <1 year vs. lowlanders; p < 0.05 Han migrants >5 years vs. Han migrants <1 year; ‡p < 0.05 Tibetans vs. Han migrants >5 years.