This group includes patients with dialysis who have received revascularization by percutaneous coronary intervention or coronary artery bypass grafting for coronary artery disease.

This group includes patients who have received medical therapy for coronary artery disease, not percutaneous coronary intervention or coronary artery bypass grafting.

Percutaneous coronary intervention and/or coronary bypass grafting for coronary artery disease

All-cause deaths includes cardiac death, vascular death and non-cardiovascular death.

1. Cardiac death: any death due to proximate cardiac cause (eg, MI, low-output failure, fatal arrhythmia), unwitnessed death and death of unknown cause, and all procedure-related deaths, including those related to concomitant treatment, will be classified as cardiac death.
2. Vascular death: caused by noncoronary vascular causes, such as cerebrovascular disease, pulmonary embolism, ruptured aortic aneurysm, dissecting aneurysm, or other vascular diseases.
3. Non-cardiovascular death: any death not covered by the above definitions, such as death caused by infection, malignancy, sepsis, pulmonary causes, accident, suicide, or trauma.

Non-fatal myocardial infarction is defined as elevated cardiac enzymes (troponin or myocardial band fraction of creatine kinase) above the upper reference limit with ischemic symptoms or electrocardiography findings indicative of ischemia that is not related to the index procedure.

Definitions of all-cause death and non-fatal myocardial infarction as mentioned above.