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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
Influence of Low-Density Lipoprotein Cholesterol Levels on NSAID-Associated Cardiovascular Risks After Myocardial Infarction: A Population-Based Cohort Study
Basem M, Bonnesen K, Pedersen L, Sørensen HT, Schmidt M
Clinical Epidemiology 2024, 16:281-291
Published Date: 22 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
Linkage between the Danish National Health Service Prescription Database, the Danish Fetal Medicine Database, and other Danish registries as a tool for the study of drug safety in pregnancy
Pedersen LH, Petersen OB, Nørgaard M, Ekelund C, Pedersen L, Tabor A, Sørensen HT
Clinical Epidemiology 2016, 8:91-95
Published Date: 11 May 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
Positive predictive value and completeness of prenatally assigned International Classification of Disease-10 kidney anomaly diagnoses in the Danish National Patient Registry
Rasmussen M, Olsen MS, Sunde L, Pedersen L, Petersen OB
Clinical Epidemiology 2016, 8:9-14
Published Date: 18 January 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
Acromegaly according to the Danish National Registry of Patients: how valid are ICD diagnoses and how do patterns of registration affect the accuracy of registry data?
Dal J, Skou N, Nielsen EH, Jørgensen JOL, Pedersen L
Clinical Epidemiology 2014, 6:295-299
Published Date: 1 September 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
