Event detection using population-based health care databases in randomized clinical trials: a novel research tool in interventional cardiology

Figures & data

Figure 1 Event detection using population-based health care databases. The Danish Civil Registration System allows linkage of individual-level information across registries.¹⁴ It is updated daily, and maintains records on date of birth, death, and current residence of all Danish citizens. The National Registry of Causes of Death provides information on causes of death.¹⁵ The National Registry of Patients contains information on all admissions and outpatient visits.¹⁶ The Western Denmark Heart Registry provides detailed patient-and procedure-specific information on all coronary angiographies, coronary interventions, and coronary bypass surgery procedures performed in Western Denmark.¹⁷

Abbreviations: PCI, percutaneous coronary intervention; CABG, coronary artery bypass grafting; MI, myocardial infarction; UAP, unstable angina pectoris; SAP, stable angina pectoris; TLR, target-lesion revascularization; ISR, in-stent restenosis; ST, stent thrombosis.

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