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. 2022 Jul 5;2(5):574–585. doi: 10.1016/j.jacasi.2022.03.013

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© 2022 The Authors

This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).

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Patient Inclusion Flow Chart

From the Japanese Percutaneous Coronary Intervention (J-PCI) registry, a total of 277,015 patients with acute myocardial infarction (AMI) were evaluated. After excluding the data from 63,718 patients with missing information on age or sex and those aged ≤19 and ≥80 years, the data from 213,297 patients were included in the analysis. Among them, 23,985 (11.2%) and 189,312 patients (88.8%) were further classified into the younger and older groups, respectively. MI = myocardial infarction, PCI = percutaneous coronary intervention.