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Flow chart of the screening of patients.
This figure shows the flow chart of the screening of patients included in this study. A total of 3686 patients with coronary heart disease were included in the database at the beginning of the study. After excluding those who were lost to follow-up, with incomplete echocardiographic data, or followed up for less than 1 month/died within 1 month after discharge, a total of 2243 patients were included in the final analysis.
