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 …

Introduction: The Danish National Patient Register (NPR) was established in 1977, and it is
considered to be the finest of its kind internationally. Content: At the onset the register …

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 …

Aims: The Nordic countries have a strong tradition of using nationwide social and health
registers for research purposes. The aim of the current paper is to provide an overview of the …

Abstract Background The Swedish National Inpatient Register (IPR), also called the Hospital
Discharge Register, is a principal source of data for numerous research projects. The IPR is …

In Norway, the Directorate of Health is responsible for two nationwide registries–the
Norwegian Patient Registry (NPR) and the Norwegian Registry for Primary Health Care …

Introduction: The Psychiatric Central Research Register (PCRR) has continued since 1970
with electronic registration of patients treated at psychiatric departments in Denmark …

The Danish Psychiatric Central Register contains information dating from the 19th century;
data were collected systematically from 1938. As of 1969 data on psychiatric admissions has …

Introduction: Denmark has been pioneering international psychiatric register research for
decades. In this article we review central publications, by Danish and international authors …

The Danish National Health Register (DNHR) has existed since 1977. It receives information
about all patients admitted to hospitals in Denmark, including administrative data as well as …