This is a retrospective study and is conducted for all patients who received percutaneous coronary intervention among cohorts registered with the National Health Insurance Service.~Primary outcome is all cause of mortality. Secondary outcomes are cardiovascular death, ischemic stroke, cerebral hemorrhage, admission due to gastrointestinal bleeding, and admission due to major bleedings.
Current Status and Prognosis of Coronary artery disease patients treated with coronary intervention - Analysis of the Korean Nationwide Health Insurance Database