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XZ Xuedong Zhao
GZ Guanqi Zhao
MZ Mengge Zhou
GW Ge Wang
CM Changsheng Ma
SJ Sidney C. Smith, Jr.
GF Gregg C. Fonarow
LM Louise Morgan
BQ Bin Que
HA Hui Ai
JL Jing Liu
DZ Dong Zhao
SN Shaoping Nie
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Between November 2014 and December 2019, a total of 94,623 patients with a definite principal diagnosis of ST-elevation myocardial infarction (STEMI) and non-ST-elevation myocardial infarction (NSTEMI) were enrolled in this study. STEMI and NSTEMI were defined according to respective guidelines issued by the Chinese Society of Cardiology (15, 16). The diagnostic criteria for AMI were based on chest pain or discomfort, ECG, and measurements of myocardial injury biomarkers (14). Among these AMI patients, 7,763 had SBP less than 100 mmHg at admission. After excluding patients with clinically diagnosed cardiogenic shock at admission (n = 1,884) and those who did not undergo PCI during hospitalization (n = 1,401), 4,478 patients with a definite diagnosis of AMI were included in this study (Supplementary Figure 1).

Copyright and License information:  ©2022 Zhao, Zhao, Zhou, Wang, Ma, Smith, Fonarow, Morgan, Que, Ai, Liu, Zhao and Nie.
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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