|“Probable” ST||Any unexpected death within 30 days of stent implantation, or any myocardial infarction in the territory of the implanted stent irrespective of time|
|“Possible” ST||Any unexplained death beyond 30 days until the end of follow-up|
|Early ST||ST occurring in the first 30 days after stent implantation|
|Late ST||ST occurring between 1 month and 1 yr after stent implantation|
|Very late ST||ST occurring beyond 1 yr|
ARC = Academic Research Consortium; ST = stent thrombosis.