Proton-pump inhibitor use and risk of community-acquired pneumonia in congenital heart disease patients by Patrick D. Evers, Dóra K. Farkas, Michael Khoury, Morten Olsen, Nicolas L. Madsen

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Return to work following adverse cardiovascular events in adults with congenital heart disease by Patrick D. Evers, Dora K. Farkas, Cathrine F. Hjorth, Michael Khoury, Morten Olsen, Nicolas L. Madsen

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Congenital Heart Disease With and Without Cyanotic Potential and the Long‐term Risk of Diabetes Mellitus: A Population‐Based Follow‐up Study by Nicolas L. Madsen, Bradley S. Marino, Jessica G. Woo, Reimar W. Thomsen, Jørgen Videbœk, Henning Bœkgaard Laursen, Morten Olsen

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Effect modification, interaction and mediation: an overview of theoretical insights for clinical investigators by Corraini P, Olsen M, Pedersen L, Dekkers OM, Vandenbroucke JP

“…Priscila Corraini,1 Morten Olsen,1 Lars Pedersen,1 Olaf M Dekkers,1,2 Jan P Vandenbroucke1–3 1Department of Clinical Epidemiology, Institute of Clinical Medicine, Aarhus University Hospital, Aarhus, Denmark; 2Leiden University Medical Center, Leiden, the Netherlands; 3Department of Epidemiology and Population Health, London School of Hygiene and Tropical Medicine, London, UK Abstract: We revisited the three interrelated epidemiological concepts of effect modification, interaction and mediation for clinical investigators and examined their applicability when using research databases. …”
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Positive predictive value of the infant respiratory distress syndrome diagnosis in the Danish National Patient Registry by Thygesen SK, Olsen M, Christiansen CF

“…Sandra Kruchov Thygesen, Morten Olsen, Christian Fynbo ChristiansenDepartment of Clinical Epidemiology, Aarhus University Hospital, Aarhus, DenmarkBackground: Infant respiratory distress syndrome (IRDS) is the most common respiratory disease in preterm infants, and is associated with considerable morbidity and mortality. …”
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Positive predictive value of the diagnosis coding for vitamin B12 deficiency anemia in the Danish National Patient Register by Ben Ghezala I, Arendt JF, Erichsen R, Zalfani J, Gammelager H, Frøslev T, Olsen M

“…Inès Ben Ghezala, Johan Frederik Berg Arendt, Rune Erichsen, Jihen Zalfani, Henrik Gammelager, Trine Frøslev, Morten OlsenDepartment of Clinical Epidemiology, Aarhus University Hospital, Aarhus, DenmarkPurpose: The aim of this validation study was to assess the positive predictive value (PPV) of the International Classification of Diseases, 10th revision (ICD-10) diagnosis of vitamin B12 (cobalamin [Cbl]) deficiency anemia in the Danish National Patient Register (DNPR).Patients and methods: We identified all patients above 18 years of age recorded in the DNPR with a diagnosis of Cbl deficiency anemia (ICD-10 code: D51) admitted to two Danish university hospitals and one Danish regional hospital from 2000 through 2009. …”
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Positive predictive value of the International Classification of Diseases, 10th edition diagnosis codes for anemia caused by bleeding in the Danish National Registry of Patients by Zalfani J, Frøslev T, Olsen M, Ben Ghezala I, Gammelager H, Arendt JFB, Erichsen R

“…Jihen Zalfani, Trine Frøslev, Morten Olsen, Inès Ben Ghezala, Henrik Gammelager, Johan FB Arendt, Rune ErichsenDepartment of Clinical Epidemiology, Aarhus University Hospital, Aarhus, DenmarkObjective: Valid data on anemia caused by bleeding are needed for epidemiological research and monitoring health care. …”
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Physical Activity as an Effect Modifier of the Association Between Obesity and Venous Thromboembolism: A Danish Population-Based Cohort Study by Solli H, Olsen M, Larsen FB, Pedersen L, Schmidt M

“…Henrik Solli,1 Morten Olsen,1 Finn Breinholt Larsen,2 Lars Pedersen,1 Morten Schmidt1,3 1Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark; 2DEFACTUM, Social & Health Services and Labour Market, Central Denmark Region, Aarhus, Denmark; 3Department of Cardiology, Aarhus University Hospital, Aarhus, DenmarkCorrespondence: Henrik SolliDepartment of Clinical Epidemiology, Aarhus University Hospital, Olof Palmes Allé 43-45, Aarhus 8200 Aarhus N, DenmarkEmail henrsoll@rm.dkPurpose: Obesity is an established risk factor for venous thromboembolism (VTE), while studies on physical inactivity and VTE risk show conflicting results. …”
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Cardiac dysfunction among soft tissue sarcoma patients in Denmark by Shantakumar S, Olsen M, Vo TT, Nørgaard M, Pedersen L

“…Sumitra Shantakumar,1 Morten Olsen,2 Thao T Vo,3 Mette Nørgaard,2 Lars Pedersen,21Worldwide Epidemiology Department, GlaxoSmithKline Pte Ltd, Singapore; 2Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark; 3Worldwide Epidemiology, GlaxoSmithkline, Research Triangle Park, USA Purpose: Soft tissue sarcoma (STS) patients may experience post-treatment cardiotoxicity, yet no population-based data exist. …”
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