Table 1

Chart review process for determining aspirin use indication

Indication	Definition
Primary prevention	Patient has no history of clinically significant ASCVD, including any of the following: MI: STEMI or NSTEMI Angina: stable or unstable Revascularisation Stroke or TIA Peripheral vascular disease Atherosclerosis on catheterisation, <50% stenosis
Secondary prevention	Patient has a history of clinically significant ASCVD, including any of the following: Myocardial Infarction (MI): ST Elevation MI (STEMI) or Non ST Elevation MI (NSTEMI) Angina: stable or unstable Revascularisation Stroke or TIA Peripheral vascular disease Atherosclerosis on catheterisation, >50% stenosis
Other	Aspirin prescribed for a unique indication
Unknown	Indication unclear after thorough chart review