Validity of Danish register diagnoses of myocardial infarction and stroke against experts in people with screen-detected diabetes

BMC Public Health
Else-Marie DalsgaardAnnelli Sandbæk

Abstract

Administrative patient registers are often used to estimate morbidity in epidemiological studies. The validity of register data is thus important. This study aims to assess the positive predictive value of myocardial infarction and stroke registered in the Danish National Patient Register, and to examine the association between cardiovascular risk factors and cardiovascular disease based on register data or validated diagnoses in a well-defined diabetes population. We included 1533 individuals found with screen-detected type 2 diabetes in the ADDITION-Denmark study in 2001-2006. All individuals were followed for cardiovascular outcomes until the end of 2014. Hospital discharge codes for myocardial infarction and stroke were identified in the Danish National Patient Register. Hospital medical records and other clinically relevant information were collected and an independent adjudication committee evaluated all possible events. The positive predictive value for myocardial infarction and stroke were calculated as the proportion of cases recorded in the Danish National Patient Register confirmed by the adjudication committee. The positive predictive value was 75% (95% CI: 64;84) for MI and 70% (95% CI: 54;80) for stroke. The assoc...Continue Reading

References

Nov 4, 2000·International Journal of Obesity and Related Metabolic Disorders : Journal of the International Association for the Study of Obesity·T LauritzenUNKNOWN Anglo-Danish-Dutch Study of Intensive Treatment in People with Screen Detected Diabetes in Primary Care
Jan 9, 2007·The American Journal of Medicine·Lars FrostLeif Spange Mortensen
May 5, 2007·Neuroepidemiology·Lars-Henrik KrarupThomas Truelsen
Aug 30, 2008·Journal of Clinical Epidemiology·Albert Marni JoensenSøren Johnsen
Aug 4, 2011·Scandinavian Journal of Public Health·Elsebeth LyngeMatejka Rebolj
Jan 9, 2014·Clinical Epidemiology·Cathrine WildenschildSøren Paaske Johnsen
Aug 21, 2015·PloS One·Natalie McCormickJ Antonio Avina-Zubieta
Nov 26, 2015·Clinical Epidemiology·Morten SchmidtHenrik Toft Sørensen

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Methods Mentioned

BETA
coronary artery bypass

Software Mentioned

Coloma

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