Venous thromboembolism discharge diagnoses in the Danish National Patient Registry should be used with caution

The Danish Civil Registration System

2011 • 4,056 citations

Trends in the Incidence of Deep Vein Thrombosis and Pulmonary Embolism

1998 • 2,620 citations

The Epidemiology of Venous Thromboembolism

2003 • 2,260 citations

The Long-Term Clinical Course of Acute Deep Venous Thrombosis

1996 • 2,090 citations

The Danish National Hospital Register. A valuable source of data for modern health sciences.

1999 • 2,015 citations

A population-based perspective of the hospital incidence and case-fatality rates of deep vein thrombosis and pulmonary embolism. The Worcester DVT Study

1991 • 1,994 citations

The Danish Civil Registration System. A cohort of eight million persons.

2006 • 1,582 citations

Incidence and mortality of venous thrombosis: a population‐based study

2007 • 1,295 citations

Natural History of Venous Thromboembolism

2003 • 1,027 citations

A population based perspective of the hospital incidence and case fatality rates of deep vein thrombosis and pulmonary embolism

1992 • 858 citations

Deep vein thrombosis and pulmonary embolism in two cohorts: the longitudinal investigation of thromboembolism etiology

2004 • 844 citations

A prospective study of the incidence of deep‐vein thrombosis within a defined urban population

1992 • 799 citations

Study design, exposure variables, and socioeconomic determinants of participation in Diet, Cancer and Health: A population-based prospective cohort study of 57,053 men and women in Denmark

2007 • 570 citations

The Epidemiology of Diagnosed Pulmonary Embolism and Deep Venous Thrombosis in the Elderly

1994 • 518 citations

A Framework for Evaluation of Secondary Data Sources for Epidemiological Research

1996 • 451 citations

Identification of In-Hospital Complications From Claims Data

2000 • 398 citations

Risk Factors and Short-term Mortality of Venous Thromboembolism Diagnosed in the Primary Care Setting in the United Kingdom

2007 • 392 citations

Deep Vein Thrombosis and Pulmonary Embolism in the General Population

1997 • 341 citations

Accuracy of coding for possible warfarin complications in hospital discharge abstracts

2005 • 189 citations

Validation of the diagnosis of venous thromboembolism in general practice database studies

2000 • 177 citations

Predictive values of acute coronary syndrome discharge diagnoses differed in the Danish National Patient Registry

2008 • 174 citations

[Data validity and coverage in the Danish National Health Registry. A literature review].

2001 • 167 citations

The Validity of ICD-9-CM Codes in Identifying Postoperative Deep Vein Thrombosis and Pulmonary Embolism

2007 • 85 citations

ICD-9-CM codes poorly indentified venous thromboembolism during pregnancy

2004 • 83 citations

The epidemiology of diagnosed pulmonary embolism and deep venous thrombosis in the elderly

1994 • 62 citations

Deep vein thrombosis and pulmonary embolism in the general population. 'The Study of Men Born in 1913'

1997 • 61 citations

A review of medical records and discharge summary data found moderate to high predictive values of discharge diagnoses of venous thromboembolism during pregnancy and postpartum

2005 • 48 citations

[Diet, cancer and health--a population study and establishment of a biological bank in Denmark].

2000 • 47 citations