HR indicates hazard ratio; MI, myocardial infarction; PCI, percutaneous coronary intervention; TIMI, Thrombolysis in Myocardial Infarction. The median observation periods in the last data set were 400 (interquartile range, 368-732) days in the 1-month dual antiplatelet therapy (DAPT) group and 414 (interquartile range, 369-733) days in the 12-month DAPT group. The last day of data collection was day 365; patients with follow-up beyond 1 year were censored on day 366.