World's Best Scientists 2026 revealed!

D-Index & Metrics

Medicine

D-Index
83
Citations
27724
World Ranking
15524
National Ranking
171

Jesper Hallas publication distribution in Medicine in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Medicine in 2026. The highlighted bar marks where Jesper Hallas sits on this spectrum.

101–120 publications: 5 scientists 121–140 publications: 26 scientists 141–160 publications: 73 scientists 161–180 publications: 155 scientists 181–200 publications: 230 scientists 201–220 publications: 363 scientists 221–240 publications: 487 scientists 241–260 publications: 545 scientists 261–280 publications: 722 scientists 281–300 publications: 768 scientists 301–320 publications: 834 scientists 321–340 publications: 895 scientists 341–360 publications: 922 scientists 361–380 publications: 838 scientists 381–400 publications: 861 scientists 401–420 publications: 918 scientists 421–440 publications: 806 scientists 441–460 publications: 771 scientists 461–480 publications: 751 scientists 481–500 publications: 713 scientists 501–520 publications: 617 scientists 521–540 publications: 611 scientists 541–560 publications: 537 scientists 561–580 publications: 504 scientists 581–600 publications: 509 scientists 601–620 publications: 396 scientists 621–640 publications: 386 scientists 641–660 publications: 371 scientists 661–680 publications: 340 scientists 681–700 publications: 336 scientists 701–720 publications: 307 scientists 721–740 publications: 259 scientists 741–760 publications: 230 scientists 761–780 publications: 228 scientists 781–800 publications: 217 scientists 801–820 publications: 204 scientists 821–840 publications: 186 scientists 841–860 publications: 177 scientists 861–880 publications: 155 scientists 881–900 publications: 139 scientists 901–920 publications: 145 scientists 921–940 publications: 116 scientists 941–960 publications: 133 scientists 961–980 publications: 91 scientists 981–1,000 publications: 96 scientists 1,001–1,020 publications: 77 scientists 1,021–1,040 publications: 70 scientists 1,041–1,060 publications: 63 scientists 1,061–1,080 publications: 77 scientists 1,081–1,100 publications: 49 scientists 1,101–1,120 publications: 54 scientists 1,121–1,140 publications: 49 scientists 1,141–1,160 publications: 51 scientists 1,161–1,180 publications: 35 scientists 1,181–1,200 publications: 39 scientists 1,201–1,220 publications: 26 scientists 1,221–1,240 publications: 37 scientists 1,241–1,260 publications: 36 scientists 1,261–1,280 publications: 27 scientists 1,281–1,300 publications: 32 scientists 1,301–1,320 publications: 28 scientists 1,321–1,340 publications: 17 scientists 1,341–1,360 publications: 30 scientists 1,361–1,380 publications: 28 scientists 1,381–1,400 publications: 17 scientists 1,401–1,420 publications: 21 scientists 1,421–1,440 publications: 15 scientists 1,441–1,460 publications: 12 scientists 1,461–1,480 publications: 12 scientists 1,481–1,500 publications: 18 scientists 1,501–1,520 publications: 14 scientists 1,521–1,540 publications: 17 scientists 1,541–1,560 publications: 15 scientists 1,561–1,580 publications: 6 scientists 1,581–1,600 publications: 2 scientists 1,601–1,620 publications: 12 scientists 1,621–1,640 publications: 11 scientists 1,641–1,660 publications: 8 scientists 1,661–1,680 publications: 5 scientists 1,681–1,700 publications: 5 scientists 1,701–1,720 publications: 10 scientists 1,721–1,740 publications: 12 scientists 1,741–1,760 publications: 14 scientists 1,761–1,780 publications: 6 scientists 1,781–1,795 publications: 5 scientists 1,796+ publications: 100 scientists
101 publications 1,796+

This scientist: 616 publications — 73rd percentile

73% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,796 publications or more.

Jesper Hallas D-index placement in Medicine in 2026

The chart shows the D-index (discipline H-index) distribution of Medicine scientists ranked by Research.com in 2026. The highlighted bar marks where Jesper Hallas sits on this spectrum.

70–71 D-Index: 226 scientists 72–73 D-Index: 391 scientists 74–75 D-Index: 574 scientists 76–77 D-Index: 730 scientists 78–79 D-Index: 891 scientists 80–81 D-Index: 972 scientists 82–83 D-Index: 1,027 scientists 84–85 D-Index: 1,003 scientists 86–87 D-Index: 960 scientists 88–89 D-Index: 970 scientists 90–91 D-Index: 922 scientists 92–93 D-Index: 839 scientists 94–95 D-Index: 808 scientists 96–97 D-Index: 779 scientists 98–99 D-Index: 668 scientists 100–101 D-Index: 611 scientists 102–103 D-Index: 630 scientists 104–105 D-Index: 513 scientists 106–107 D-Index: 541 scientists 108–109 D-Index: 445 scientists 110–111 D-Index: 429 scientists 112–113 D-Index: 400 scientists 114–115 D-Index: 393 scientists 116–117 D-Index: 318 scientists 118–119 D-Index: 302 scientists 120–121 D-Index: 287 scientists 122–123 D-Index: 255 scientists 124–125 D-Index: 256 scientists 126–127 D-Index: 252 scientists 128–129 D-Index: 230 scientists 130–131 D-Index: 179 scientists 132–133 D-Index: 168 scientists 134–135 D-Index: 163 scientists 136–137 D-Index: 159 scientists 138–139 D-Index: 134 scientists 140–141 D-Index: 134 scientists 142–143 D-Index: 118 scientists 144–145 D-Index: 109 scientists 146–147 D-Index: 106 scientists 148–149 D-Index: 74 scientists 150–151 D-Index: 79 scientists 152–153 D-Index: 80 scientists 154–155 D-Index: 87 scientists 156–157 D-Index: 57 scientists 158–159 D-Index: 74 scientists 160–161 D-Index: 69 scientists 162–163 D-Index: 60 scientists 164–165 D-Index: 53 scientists 166–167 D-Index: 39 scientists 168–169 D-Index: 42 scientists 170–171 D-Index: 32 scientists 172–173 D-Index: 39 scientists 174–175 D-Index: 40 scientists 176–177 D-Index: 28 scientists 178–179 D-Index: 19 scientists 180–181 D-Index: 23 scientists 182–183 D-Index: 31 scientists 184–185 D-Index: 18 scientists 186–187 D-Index: 20 scientists 188–189 D-Index: 22 scientists 190–191 D-Index: 13 scientists 192–193 D-Index: 21 scientists 194–195 D-Index: 12 scientists 196–197 D-Index: 12 scientists 198–199 D-Index: 14 scientists 200–201 D-Index: 15 scientists 202–203 D-Index: 13 scientists 204–205 D-Index: 10 scientists 206–207 D-Index: 8 scientists 208–209 D-Index: 4 scientists 210–211 D-Index: 12 scientists 212–213 D-Index: 11 scientists 214–215 D-Index: 10 scientists 216 D-Index: 4 scientists 217+ D-Index: 98 scientists
70 D-Index 217+

This scientist: 83 D-Index — 24th percentile

24% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 217 D-Index or more.

Overview

Jesper Hallas is affiliated with the University of Southern Denmark in Denmark. The main field of research activity is Medicine, with a focus on several specific subfields including Cardiology and Cardiovascular Medicine, Infectious Diseases, Economics and Econometrics, Epidemiology, and Surgery.

The research topics covered in Jesper Hallas's work include Health Systems, Economic Evaluations, Quality of Life; COVID-19 Clinical Research Studies; SARS-CoV-2 and COVID-19 Research; Pharmacovigilance and Adverse Drug Reactions; Antiplatelet Therapy and Cardiovascular Diseases; Statistical Methods in Clinical Trials; and Atrial Fibrillation Management and Outcomes.

Recent publications reflect a range of interests in epidemiology, pharmacology, and clinical medicine. Notable papers include:

  • Arterial events, venous thromboembolism, thrombocytopenia, and bleeding after vaccination with Oxford-AstraZeneca ChAdOx1-S in Denmark and Norway: population based cohort study (2021, BMJ)
  • Long-term cardiovascular safety of febuxostat compared with allopurinol in patients with gout (FAST): a multicentre, prospective, randomised, open-label, non-inferiority trial (2020, The Lancet)
  • Characteristics and predictors of hospitalization and death in the first 11,122 cases with a positive RT-PCR test for SARS-CoV-2 in Denmark: a nationwide cohort (2020, International Journal of Epidemiology)
  • Post-acute effects of SARS-CoV-2 infection in individuals not requiring hospital admission: a Danish population-based cohort study (2021, The Lancet Infectious Diseases)
  • Reproducibility of real-world evidence studies using clinical practice data to inform regulatory and coverage decisions (2022, Nature Communications)

Frequent co-authors in research projects include:

  • Anton Pottegård (57 publications)
  • Lars Christian Lund (49 publications)
  • Mette Reilev (19 publications)
  • Martin Ernst (19 publications)
  • Kasper Bruun Kristensen (16 publications)

Jesper Hallas has published extensively in several key scientific journals. Frequent publication venues include:

  • Pharmacoepidemiology and Drug Safety (26 publications)
  • Basic & Clinical Pharmacology & Toxicology (11 publications)
  • Clinical Epidemiology (8 publications)
  • British Journal of Clinical Pharmacology (6 publications)
  • JAMA Network Open (6 publications)

Best Publications

  • The Danish National Prescription Registry

    Helle Wallach Kildemoes;Henrik Toft Sørensen;Jesper Hallas

  • Data Resource Profile: The Danish National Prescription Registry.

    Anton Pottegård;Sigrun Alba Johannesdottir Schmidt;Helle Wallach-Kildemoes;Henrik Toft Sørensen

  • The Danish prescription registries.

    Gaist D;Sørensen Ht;Hallas J

  • Use of single and combined antithrombotic therapy and risk of serious upper gastrointestinal bleeding: population based case-control study

    Jesper Hallas;Michael Dall;Alin Andries;Birthe Søgaard Andersen

  • Use of proton pump inhibitors and the risk of community-acquired pneumonia: a population-based case-control study.

    Sinem Ezgi Gulmez;Anette Holm;Henrik Frederiksen;Thøger Gorm Jensen

  • Drug related hospital admissions: the role of definitions and intensity of data collection, and the possibility of prevention

    J. Hallas;B. Harvald;L. F. Gram;E. Grodum

  • Statins and risk of polyneuropathy: a case-control study.

    D. Gaist;U. Jeppesen;M. Andersen;L.A. Garcia Rodríguez

  • Classification of myocardial infarction: frequency and features of type 2 myocardial infarction

    Lotte Saaby;Tina Svenstrup Poulsen;Susanne Elisabeth Hosbond;Torben Bjerregaard Larsen

  • Polypharmacy: correlations with sex, age and drug regimen A prescription database study

    L Bjerrum;J Søgaard;J Hallas;J Kragstrup

  • Arterial events, venous thromboembolism, thrombocytopenia, and bleeding after vaccination with Oxford-AstraZeneca ChAdOx1-S in Denmark and Norway: population based cohort study.

    Anton Pottegård;Lars Christian Lund;Øystein Karlstad;Jesper Dahl

  • Head injury as a risk factor for brain tumors in children : Results from a multicenter case-control study

    James G. Gurney;Susan Preston-Martin;Ann M. McDaniel;Beth A. Mueller

  • Characteristics and predictors of hospitalization and death in the first 11 122 cases with a positive RT-PCR test for SARS-CoV-2 in Denmark: a nationwide cohort.

    Mette Reilev;Kasper Bruun Kristensen;Anton Pottegård;Anton Pottegård;Lars Christian Lund

  • Complicated and uncomplicated peptic ulcers in a Danish county 1993-2002: a population-based cohort study.

    Annmarie Lassen;Jesper Hallas;Ove B Schaffalitzky de Muckadell

  • Drug related admissions to medical wards: a population based survey.

    J Hallas;LF Gram;E Grodum;N Damsbo

  • Comorbidity in elderly cancer patients in relation to overall and cancer-specific mortality.

    T L Jørgensen;Jesper Hallas;S Friis;J Herrstedt

  • Effect of an In-Hospital Multifaceted Clinical Pharmacist Intervention on the Risk of Readmission: A Randomized Clinical Trial.

    Lene Vestergaard Ravn-Nielsen;Marie Louise Duckert;Mia Lolk Lund;Jolene Pilegaard Henriksen

  • The relationship between paroxetine and the sparteine oxidation polymorphism.

    Søren H Sindrup;Søren H Sindrup;Kim Brøsen;Kim Brøsen;Lars F Gram;Lars F Gram;Jesper Hallas;Jesper Hallas

  • Lipid-lowering drugs and risk of myopathy: a population-based follow-up study

    David Gaist;Luis Alberto García Rodríguez;Consuelo Huerta;Jesper Hallas

  • Methods for estimating the occurrence of polypharmacy by means of a prescription database

    L Bjerrum;J U Rosholm;J Hallas;J Kragstrup

  • Long-term cardiovascular safety of febuxostat compared with allopurinol in patients with gout (FAST): a multicentre, prospective, randomised, open-label, non-inferiority trial.

    Isla S Mackenzie;Ian Ford;George Nuki;Jesper Hallas

Frequent Co-Authors

Søren Friis
Søren Friis University of Copenhagen
Henrik Toft Sørensen
Henrik Toft Sørensen Aarhus University
Søren Hein Sindrup
Søren Hein Sindrup Odense University Hospital
Luis A. García Rodríguez
Luis A. García Rodríguez Centro Español de Investigación Farmacoepidemiológica
Kim Brøsen
Kim Brøsen University of Southern Denmark
Jørgen Vestbo
Jørgen Vestbo University of Manchester
Børge G. Nordestgaard
Børge G. Nordestgaard University of Copenhagen
Court Pedersen
Court Pedersen Odense University Hospital
Peter Lange
Peter Lange University of Copenhagen
Thomas M. MacDonald
Thomas M. MacDonald University of Dundee

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