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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 right ventricular characteristics. (A) Right ventricular end-diastolic area. (B) Right ventricular end-systolic area. (C) Right ventricular fractional area change. (D) Right ventricular global longitudinal strain. (E) Tricuspid annular plane systolic excursion/pulmonary artery systolic pressure. (F) Right ventricular anterior wall sickness. *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.