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Papers published by Professor Lars Pedersen:


Existing Data Sources in Clinical Epidemiology: The Danish Prehospital Medical Record System

Rosenkrantz O, Benson CS, Lindskou TA, Fuglsang CH, Pedersen L, Mikkelsen S, Christensen HC, Christensen EF, Steinmetz J, Sørensen HT

Clinical Epidemiology 2025, 17:735-745

Published Date: 30 August 2025

Cohort Profile: The Danish Venous Thromboembolism Cohort – A Linkage Between Danish National Health Surveys and Health Registers

Horváth-Puhó E, Pedersen L, Martiny SK, Amdisen L, Viuff JH, Ekholm O, Sørensen HT

Clinical Epidemiology 2025, 17:485-495

Published Date: 29 May 2025

The Danish National Hospital Medication Register: A Resource for Pharmacoepidemiology

Rosenkrantz O, Wheler J, Westphal Thrane MC, Pedersen L, Sørensen HT

Clinical Epidemiology 2024, 16:783-792

Published Date: 14 November 2024

Ibuprofen for Acute Pericarditis and Associated Cardiovascular Risks: A Danish Nationwide, Population-Based Cohort Study

Eika JK, Bonnesen K, Pedersen L, Ehrenstein V, Sørensen HT, Schmidt M

Clinical Epidemiology 2024, 16:793-802

Published Date: 14 November 2024

Confounding and Negative Control Methods in Observational Study of SARS-CoV-2 Vaccine Effectiveness: A Nationwide, Population-Based Danish Health Registry Study

Obel N, Fox MP, Tetens MM, Pedersen L, Krause TG, Ullum H, Sørensen HT

Clinical Epidemiology 2024, 16:501-512

Published Date: 25 July 2024

Semaglutide (Ozempic®) Use in Denmark 2018 Through 2023 ‒ User Trends and off-Label Prescribing for Weight Loss

Mailhac A, Pedersen L, Pottegård A, Søndergaard J, Mogensen T, Sørensen HT, Thomsen RW

Clinical Epidemiology 2024, 16:307-318

Published Date: 25 April 2024

Cohort Profile: Better Health in Late Life

Sørensen HT, Christensen T, Bøtker HE, Christiansen CF, Fuglsang CH, Gribsholt SB, Kristensen FPB, Laugesen K, Laursen ASD, Nørgaard M, Schmidt M, Skajaa N, Troelsen FS, Pedersen L

Clinical Epidemiology 2023, 15:1227-1239

Published Date: 20 December 2023

Glycemic Control in Pregnancies Complicated by Pre-Existing Diabetes Mellitus and Congenital Malformations: A Danish Population-Based Study

Arendt LH, Pedersen LH, Pedersen L, Ovesen PG, Henriksen TB, Lindhard MS, Olsen J, Sørensen HT, Ramlau-Hansen CH

Clinical Epidemiology 2021, 13:615-626

Published Date: 26 July 2021

Physical Activity as an Effect Modifier of the Association Between Obesity and Venous Thromboembolism: A Danish Population-Based Cohort Study

Solli H, Olsen M, Larsen FB, Pedersen L, Schmidt M

Clinical Epidemiology 2020, 12:1361-1370

Published Date: 8 December 2020

Impact of Being Eligible for Type 2 Diabetes Treatment on All-Cause Mortality and Cardiovascular Events: Regression Discontinuity Design Study

Petersen I, Nicolaisen SK, Ricciardi F, Sharma M, Thomsen RW, Baio G, Pedersen L

Clinical Epidemiology 2020, 12:569-577

Published Date: 3 June 2020

Existing Data Sources in Clinical Epidemiology: Laboratory Information System Databases in Denmark

Arendt JFH, Hansen AT, Ladefoged SA, Sørensen HT, Pedersen L, Adelborg K

Clinical Epidemiology 2020, 12:469-475

Published Date: 18 May 2020

Validity of ICD-10 diagnoses of overweight and obesity in Danish hospitals

Gribsholt SB, Pedersen L, Richelsen B, Thomsen RW

Clinical Epidemiology 2019, 11:845-854

Published Date: 11 September 2019

Effect modification, interaction and mediation: an overview of theoretical insights for clinical investigators [Corrigendum]

Corraini P, Olsen M, Pedersen L, Dekkers OM, Vandenbroucke JP

Clinical Epidemiology 2019, 11:245-246

Published Date: 9 April 2019

Benchmarking Danish hospitals on mortality and readmission rates after cardiovascular admission

Ridgeway G, Nørgaard M, Rasmussen TB, Finkle WD, Pedersen L, Bøtker HE, Sørensen HT

Clinical Epidemiology 2019, 11:67-80

Published Date: 4 January 2019

NSAID consumption and risk of acute myeloid leukemia: a national population-based case-control study

Østgård LSG, Nørgaard M, Pedersen L, Østgård R, Friis LS, Schöllkopf C, Severinsen MT, Marcher CW, Medeiros BC, Jensen MK

Cancer Management and Research 2018, 10:5043-5051

Published Date: 29 October 2018

Erythropoiesis-stimulating agents and cardiovascular events in patients with myelodysplastic syndrome and multiple myeloma

Horváth-Puhó E, Suttorp MM, Frederiksen H, Hoekstra T, Dekkers OM, Pedersen L, Cannegieter SC, Dekker FW, Sørensen HT

Clinical Epidemiology 2018, 10:1371-1380

Published Date: 28 September 2018

Sampling strategies for selecting general population comparison cohorts

Heide-Jørgensen U, Adelborg K, Kahlert J, Sørensen HT, Pedersen L

Clinical Epidemiology 2018, 10:1325-1337

Published Date: 25 September 2018

Use of histamine H2 receptor antagonists and outcomes in patients with heart failure: a nationwide population-based cohort study

Adelborg K, Sundbøll J, Schmidt M, Bøtker HE, Weiss NS, Pedersen L, Sørensen HT

Clinical Epidemiology 2018, 10:521-530

Published Date: 7 May 2018

Effect modification, interaction and mediation: an overview of theoretical insights for clinical investigators [Corrigendum]

Corraini P, Olsen M, Pedersen L, Dekkers OM, Vandenbroucke JP

Clinical Epidemiology 2018, 10:223-224

Published Date: 1 March 2018

Conditioning on future exposure to define study cohorts can induce bias: the case of low-dose acetylsalicylic acid and risk of major bleeding

Lund JL, Horváth-Puhó E, Komjáthiné Szépligeti S, Sørensen HT, Pedersen L, Ehrenstein V, Stürmer T

Clinical Epidemiology 2017, 9:611-626

Published Date: 23 November 2017

Effect modification, interaction and mediation: an overview of theoretical insights for clinical investigators

Corraini P, Olsen M, Pedersen L, Dekkers OM, Vandenbroucke JP

Clinical Epidemiology 2017, 9:331-338

Published Date: 8 June 2017

Clinical epidemiology in the era of big data: new opportunities, familiar challenges

Ehrenstein V, Nielsen H, Pedersen AB, Johnsen SP, Pedersen L

Clinical Epidemiology 2017, 9:245-250

Published Date: 27 April 2017

Missing data and multiple imputation in clinical epidemiological research

Pedersen AB, Mikkelsen EM, Cronin-Fenton D, Kristensen NR, Pham TM, Pedersen L, Petersen I

Clinical Epidemiology 2017, 9:157-166

Published Date: 15 March 2017

Danish clinical quality databases – an important and untapped resource for clinical research

Sørensen HT, Pedersen L, Jørgensen J, Ehrenstein V

Clinical Epidemiology 2016, 8:425-427

Published Date: 25 October 2016

Positive predictive value of diagnosis coding for hemolytic anemias in the Danish National Patient Register

Hansen DL, Overgaard UM, Pedersen L, Frederiksen H

Clinical Epidemiology 2016, 8:241-252

Published Date: 24 June 2016

Cardiac dysfunction among soft tissue sarcoma patients in Denmark

Shantakumar S, Olsen M, Vo TT, Nørgaard M, Pedersen L

Clinical Epidemiology 2016, 8:53-59

Published Date: 15 April 2016

The Danish National Patient Registry: a review of content, data quality, and research potential

Schmidt M, Schmidt SAJ, Sandegaard JL, Ehrenstein V, Pedersen L, Sørensen HT

Clinical Epidemiology 2015, 7:449-490

Published Date: 17 November 2015

The impact of preadmission oral bisphosphonate use on 30-day mortality following stroke: a population-based cohort study of 100,043 patients

Christensen DH, Horváth-Puhó E, Schmidt M, Christiansen CF, Pedersen L, Langdahl BL, Thomsen RW

Clinical Epidemiology 2015, 7:381-389

Published Date: 24 August 2015

The Danish National Prescription Registry in studies of a biological pharmaceutical: palivizumab – validation against two external data sources

Haerskjold A, Henriksen L, Way S, Malham M, Hallas J, Pedersen L, Stensballe LG

Clinical Epidemiology 2015, 7:305-312

Published Date: 8 May 2015

The Western Denmark Cardiac Computed Tomography Registry: a review and validation study

Nielsen LH, Nørgaard BL, Tilsted HH, Sand NP, Jensen JM, Bøttcher M, Diederichsen AC, Lambrechtsen J, Kristensen LD, Mickley H, Munkholm H, Gøtzsche O, Knudsen LL, Bøtker HE, Pedersen L, Schmidt M

Clinical Epidemiology 2015, 7:53-64

Published Date: 31 December 2014

Existing data sources for clinical epidemiology: Aarhus University Clinical Trial Candidate Database, Denmark

Nørrelund H, Mazin W, Pedersen L

Clinical Epidemiology 2014, 6:129-135

Published Date: 8 April 2014

Lifestyle factors among proton pump inhibitor users and nonusers: a cross-sectional study in a population-based setting

Hvid-Jensen F, Nielsen RB, Pedersen L, Funch-Jensen P, Drewes AM, Larsen FB, Thomsen RW

Clinical Epidemiology 2013, 5:493-499

Published Date: 4 December 2013

Existing data sources for clinical epidemiology: The Danish National Database of Reimbursed Prescriptions

Johannesdottir SA, Horváth-Puhó E, Ehrenstein V, Schmidt M, Pedersen L, Sørensen HT

Clinical Epidemiology 2012, 4:303-313

Published Date: 12 November 2012

The Danish Centre for Strategic Research in Type 2 Diabetes (DD2) study: Collection of baseline data from the first 580 patients

Thomsen RW, Nielsen JS, Ulrichsen SP, Pedersen L, Hansen AM, Nilsson T

Clinical Epidemiology 2012, 4:43-48

Published Date: 21 September 2012

Use of prescription paracetamol during pregnancy and risk of asthma in children: a population-based Danish cohort study

Andersen ABT, Farkas DK, Mehnert F, Ehrenstein V, Erichsen R

Clinical Epidemiology 2012, 4:33-40

Published Date: 1 February 2012

Correspondence between general practitioner-reported medication use and timing of prescription dispensation

Johannesdottir SA, Mægbæk ML, Hansen JG, Lash TL, Pedersen L, Ehrenstein V

Clinical Epidemiology 2012, 4:13-18

Published Date: 5 January 2012

Hepatitis C virus infection and risk of cancer: a population-based cohort study

Lars Haukali Omland, Dora Körmendiné Farkas, Peter Jepsen, et al

Clinical Epidemiology 2010, 2:179-186

Published Date: 24 June 2010