Science Explorer Interactive view Map
Funder · Reykjavik · Iceland

National University Hospital of Iceland

In research, National University Hospital of Iceland stands highest in Health Sciences (#2,775 of 11,982 worldwide) and Medicine (#2,812 of 10,443 worldwide), 2022–2025.

landspitali.isROR OpenAlex
World rank, 2022–2025
#9,407
of 28,054 · #6,641 all time
Rank in Iceland
#3
of 8
Research works
2k
▲ 7% vs 2013–17
Citations
67k
33.1 per fractional work
Top-10% rate
17.2%
record average 16.5%
Open access
43%
world 28%

What is National University Hospital of Iceland known for in research?

The fields where it stands highest, 2022–2025, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorksAll time
Health SciencesDomain #2,775 of 11,982 16.6%214 #1939
MedicineField #2,812 of 10,443 16.2%199 #2204

Each strip is that field’s whole ranked pool, with the notch where National University Hospital of Iceland sits in it, in the colour of the band that rank falls in. The track under the rate is the rate itself: it carries no world mark, because the world rate differs by field (from about 6% to 21% in this record).

Field profile

Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.

Agricultural and Biological Sciences: 0.07× its world share, 1 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.48× its world share, 23 worksBiochemistry, Geneti…Immunology and Microbiology: 2.35× its world share, 7 worksImmunology and Micro…Neuroscience: 1.96× its world share, 9 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 4.48× its world share, 5 worksPharmacology, Toxico…Chemical Engineering: 0.03× its world share, 0 worksChemical EngineeringChemistry: 0.10× its world share, 0 worksChemistryComputer Science: 0.07× its world share, 2 worksComputer ScienceEarth and Planetary Sciences: 0.10× its world share, 0 worksEarth and Planetary …Engineering: 0.10× its world share, 4 worksEngineeringEnvironmental Science: 0.21× its world share, 3 worksEnvironmental ScienceMaterials Science: 0.07× its world share, 1 worksMaterials ScienceMathematics: 0.15× its world share, 0 worksMathematicsPhysics and Astronomy: 0.04× its world share, 0 worksPhysics and AstronomyDentistry: 0.19× its world share, 0 worksDentistryHealth Professions: 1.49× its world share, 12 worksHealth ProfessionsMedicine: 3.54× its world share, 199 worksMedicineNursing: 2.03× its world share, 3 worksNursingVeterinary: 0.96× its world share, 0 worksVeterinaryArts and Humanities: 0.07× its world share, 1 worksArts and HumanitiesBusiness, Management and Accounting: 0.04× its world share, 0 worksBusiness, Management…Decision Sciences: 0.02× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.23× its world share, 2 worksEconomics, Econometr…Psychology: 1.55× its world share, 14 worksPsychologySocial Sciences: 0.16× its world share, 6 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Pharmacology, Toxicology and Pharmaceutics, 4.5×. Every wedge is a field page.

Who are the top researchers at National University Hospital of Iceland?

Ranked on the composite score, Einar S. Björnsson, Þórarinn Gíslason and Ásgeir Sigurðsson lead among researchers whose main affiliation is National University Hospital of Iceland.

  1. 1 Einar S. Björnsson Iceland · #11,532 worldwide 573 citations · 72 works
  2. 2 Þórarinn Gíslason Iceland · #28,664 worldwide 486 citations · 88 works
  3. 3 Ásgeir Sigurðsson Iceland · #48,994 worldwide 533 citations · 30 works
  4. 4 Karl Andersen Iceland · #63,832 worldwide 228 citations · 32 works
  5. 5 Ísleifur Ólafsson Iceland · #71,285 worldwide 291 citations · 33 works
  6. 6 Engilbert Sigurðsson Iceland · #79,927 worldwide 281 citations · 37 works
  7. 7 Karl G. Kristinsson Iceland · #93,124 worldwide 256 citations · 26 works
  8. 8 Guðmundur Þorgeirsson Iceland · #126,401 worldwide 717 citations · 20 works
  9. 9 Helgi Valdimarsson Iceland · #128,381 worldwide 182 citations · 31 works
  10. 10 Rósa B. Barkardóttir Iceland · #130,880 worldwide 259 citations · 29 works
All ranked researchers at National University Hospital of Iceland

Which keywords describe research at National University Hospital of Iceland?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Epidemiology, Inflammation, Treatment, Diagnosis, Cardiovascular Disease, Mortality, Genetics and Guidelines.

▲ more of its work than of the world’s◆ about the world’s share▼ less than the world’s

Size is fractional works in 2022–2025 in the topics tagged with each word; colour is the word's share of this institution's work against its share of the world's. The 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. Epidemiology41▲ 3.5×90 topics
  2. Inflammation25▲ 4.2×54 topics
  3. Treatment16▲ 4.6×38 topics
  4. Cardiovascular Disease13▲ 4.0×30 topics
  5. Diagnosis13▲ 4.8×32 topics
  6. Genetics10▲ 5.0×16 topics
  7. Quality of Life10▲ 2.4×34 topics
  8. Mortality10▲ 5.9×12 topics
  9. Oxidative Stress9▲ 1.97×29 topics
  10. Metabolic Syndrome9▲ 3.9×18 topics
  11. Depression9▲ 3.6×16 topics
  12. Guidelines8▲ 5.9×13 topics
  13. Management8▲ 3.5×24 topics
  14. Anxiety7▲ 5.0×8 topics
  15. Prevalence7▲ 5.8×11 topics
  16. Biomarkers7▲ 3.4×12 topics
  17. Pathogenesis7▲ 4.5×15 topics
  18. Complications7▲ 4.5×15 topics
  19. Hypertension7▲ 7.8×11 topics
  20. Prognosis7▲ 6.9×9 topics
  21. Neurobiology6▲ 8.7×7 topics
  22. Meta-Analysis6▲ 3.7×12 topics
  23. Global Burden6▲ 3.9×10 topics
  24. Neuroimaging6▲ 7.5×9 topics
  25. Cognitive Function6▲ 11×6 topics
  26. Insulin Resistance6▲ 4.3×9 topics
  27. Clinical Practice Guidelines6▲ 3.5×13 topics
  28. Neurological Disorders5▲ 3.3×16 topics
  29. Health-related Quality of Life5▲ 7.8×4 topics
  30. Adolescents5▲ 4.7×7 topics
  31. Cardiovascular Risk5▲ 5.6×8 topics
  32. Mitochondrial Dysfunction5▲ 5.7×8 topics
  33. Critical Care5▲ 7.1×8 topics
  34. Myocardial Infarction5▲ 6.8×7 topics
  35. Autoantibodies4▲ 6.3×8 topics
  36. Chronic Kidney Disease4▲ 6.0×8 topics
  37. Maternal Mortality4▲ 6.4×5 topics
  38. Children4▲ 6.0×7 topics
  39. Obstructive Sleep Apnea4▲ 27×1 topic
  40. Sleep-Disordered Breathing4▲ 27×1 topic

Which research topics does National University Hospital of Iceland publish most on?

By volume in 2022–2025: Obstructive Sleep Apnea Research, Bipolar Disorder and Treatment, Maternal and Perinatal Health Interventions and Multiple Myeloma Research and Treatments.

Obstructive Sleep Apnea …4Obstructive Sleep Apnea Research: 4 fractional worksBipolar Disorder and Tre…3Bipolar Disorder and Treatment: 3 fractional worksMaternal and Perinatal Health Interventions: 3 fractional worksMultiple Myeloma Research and Treatments: 3 fractional worksDrug-Induced Hepatotoxicity and Protection: 2 fractional worksRheumatoid Arthritis Research and Therapies: 2 fractional worksCancer survivorship and care: 2 fractional worksOsteoarthritis Treatment…2Osteoarthritis Treatment and Mechanisms: 2 fractional worksCardiac, Anesthesia and Surgical Outcomes: 2 fractional worksTotal Knee Arthroplasty Outcomes: 2 fractional works
PhysiologyPsychiatry and Mental healthObstetrics and GynecologyHematology5 others

Area is fractional works; colour is the subfield each topic belongs to.

  1. 1 Obstructive Sleep Apnea Research Physiology 4 works
  2. 2 Bipolar Disorder and Treatment Psychiatry and Mental health 3 works
  3. 3 Maternal and Perinatal Health Interventions Obstetrics and Gynecology 3 works
  4. 4 Multiple Myeloma Research and Treatments Hematology 3 works
  5. 5 Drug-Induced Hepatotoxicity and Protection Pharmacology 2 works
  6. 6 Rheumatoid Arthritis Research and Therapies Rheumatology 2 works
  7. 7 Cancer survivorship and care Oncology 2 works
  8. 8 Osteoarthritis Treatment and Mechanisms Rheumatology 2 works
  9. 9 Cardiac, Anesthesia and Surgical Outcomes Cardiology and Cardiovascular Medicine 2 works
  10. 10 Total Knee Arthroplasty Outcomes Surgery 2 works

How open and international is its research?

Against the world’s own shares — the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available43.1%not open56.9%

World: 28% of research is openly available.

with international co-authors38.9%domestic only61.1%

World: 19% is written across borders.

How has National University Hospital of Iceland's research output changed?

Output in 2018–2022 was 7% higher than in 2013–2017.

1990200020102020
grewheldshrank

The same series as a ribbon — one cell per year, darker for more. The line above answers how much; this answers when.

Other research institutions in Reykjavik

All research institutions in Reykjavik

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners are in the interactive view on the map.