Background The Danish National Patient Registry (DNPR) is one of the world's oldest
nationwide hospital registries and is used extensively for research. Many studies have …

The methodological advances in epidemiology have facilitated the use of the Danish Civil
Registration System (CRS) in ways not previously described systematically. We reviewed …

Denmark has a large network of population-based medical databases, which routinely
collect high-quality data as a by-product of health care provision. The Danish medical …

Introduction: Individual-level data on all prescription drugs sold in Danish community
pharmacies has since 1994 been recorded in the Register of Medicinal Products Statistics of …

Background Little is known about the prognosis of cancer discovered during or after an
episode of venous thromboembolism. Methods We linked the Danish National Registry of …

Background Accurate population-based data are needed on the incidence of esophageal
adenocarcinoma and high-grade dysplasia among patients with Barrett's esophagus …

Background Remote ischaemic preconditioning attenuates cardiac injury at elective surgery
and angioplasty. We tested the hypothesis that remote ischaemic conditioning during …

Background: It is well known that the time from conception to early childhood has importance
for health conditions that reach into later stages of life. Recent research supports this view …

Background: The expected survival of HIV-infected patients is of major public health interest.
Objective: To estimate survival time and age-specific mortality rates of an HIV-infected …

Denmark has a long tradition of creating nationwide administrative and health registries. 1, 2
Examples include its registries on causes of death, 3 hospitalizations 4 and cancer, 5 and on …