The papers reported on four primary outcomes: any cardiovascular or cerebrovascular event (for example, fatal or non-fatal myocardial infarction, stroke, vascular related event); death; acute coronary syndromes (for example, non-ST segment elevation myocardial infarction, ST elevation myocardial infarction, unstable angina); and failure of vascular interventions (vein failure or reocclusion, revascularisation, and vascular restenosis).