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Hospital / health system · Kozhikode · India

National Hospital

In research, National Hospital stands highest in Medicine (#6,636 of 10,443 worldwide) and Health Sciences (#8,116 of 11,982 worldwide), 2022–2025.

nationalhospitals.com/#ROR OpenAlex
World rank, 2022–2025
#18,335
of 28,054 · #8,347 all time
Rank in India
#1,228
of 1,840
Research works
2.4k
▲ 25% vs 2013–17
Citations
51k
21.3 per fractional work
Top-10% rate
5.8%
record average 16.5%
Open access
44%
world 28%

What is National Hospital 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
MedicineField #6,636 of 10,443 4.7%184 #3045
Health SciencesDomain #8,116 of 11,982 4.9%212 #3996

Each strip is that field’s whole ranked pool, with the notch where National Hospital 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: 0.19× its world share, 2 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.52× its world share, 23 worksBiochemistry, Geneti…Immunology and Microbiology: 1.60× its world share, 4 worksImmunology and Micro…Neuroscience: 1.47× its world share, 7 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.59× its world share, 1 worksPharmacology, Toxico…Chemistry: 0.08× its world share, 0 worksChemistryComputer Science: 0.07× its world share, 2 worksComputer ScienceEngineering: 0.11× its world share, 5 worksEngineeringEnvironmental Science: 0.11× its world share, 2 worksEnvironmental ScienceMaterials Science: 0.05× its world share, 0 worksMaterials SciencePhysics and Astronomy: 0.12× its world share, 1 worksPhysics and AstronomyDentistry: 0.63× its world share, 1 worksDentistryHealth Professions: 3.25× its world share, 24 worksHealth ProfessionsMedicine: 3.38× its world share, 184 worksMedicineNursing: 1.96× its world share, 3 worksNursingVeterinary: 0.12× its world share, 0 worksVeterinaryArts and Humanities: 0.10× its world share, 1 worksArts and HumanitiesBusiness, Management and Accounting: 0.22× its world share, 2 worksBusiness, Management…Decision Sciences: 0.07× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.13× its world share, 1 worksEconomics, Econometr…Psychology: 1.46× its world share, 13 worksPsychologySocial Sciences: 0.23× its world share, 8 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Medicine, 3.4×. Every wedge is a field page.

Who are the top researchers at National Hospital?

Ranked on the composite score, D Albrechtsen, O. Fausa and Tore G. Abrahamsen lead among researchers whose main affiliation is National Hospital.

  1. 1 D Albrechtsen India · #90,740 worldwide 163 citations · 31 works
  2. 2 O. Fausa India · #116,825 worldwide 182 citations · 34 works
  3. 3 Tore G. Abrahamsen India · #691,949 worldwide 40 citations · 18 works
  4. 4 G Sødal India · #743,168 worldwide 16 citations · 18 works
  5. 5 A. Bergan India · #921,067 worldwide 39 citations · 18 works
  6. 6 T Talseth India · #936,731 worldwide 7 citations · 18 works
  7. 7 Mako Hirano India · #1,208,143 worldwide 4 citations · 22 works
  8. 8 Yasuhiro Shimizu India · #1,290,526 worldwide 9 citations · 26 works
  9. 9 Kazutoshi Nomura India · #1,300,705 worldwide 4 citations · 30 works
  10. 10 Noburo Hashimoto India · #1,318,637 worldwide 0 citations · 15 works
All ranked researchers at National Hospital

Which keywords describe research at National Hospital?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Epidemiology, Treatment, Diagnosis, Inflammation, Management, Surgical Management, Risk Factors and Genetic Mutations.

▲ 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. Epidemiology35▲ 3.1×86 topics
  2. Inflammation15▲ 2.6×41 topics
  3. Treatment14▲ 3.9×35 topics
  4. Diagnosis12▲ 4.5×30 topics
  5. Public Health9▲ 2.2×32 topics
  6. Management9▲ 3.9×21 topics
  7. Risk Factors9▲ 2.8×21 topics
  8. Mental Health8▲ 1.97×22 topics
  9. Cardiovascular Disease7▲ 2.3×24 topics
  10. Genetics7▲ 3.6×17 topics
  11. Quality of Life7▲ 1.72×30 topics
  12. Surgical Management7▲ 6.0×16 topics
  13. Genetic Mutations6▲ 5.1×18 topics
  14. Chemotherapy6▲ 3.1×16 topics
  15. Depression6▲ 2.4×15 topics
  16. Guidelines6▲ 4.5×11 topics
  17. Obesity6▲ 2.6×15 topics
  18. Adolescents6▲ 5.2×7 topics
  19. Complications6▲ 3.9×13 topics
  20. Mortality5▲ 3.1×11 topics
  21. Neurological Disorders5▲ 3.2×16 topics
  22. Neurodevelopmental Outcomes5▲ 9.3×5 topics
  23. Cardiovascular Risk5▲ 5.3×8 topics
  24. Children5▲ 7.0×5 topics
  25. Global Burden5▲ 3.1×10 topics
  26. Patient Satisfaction5▲ 5.2×6 topics
  27. Clinical Outcomes4▲ 7.5×5 topics
  28. Drug Resistance4▲ 5.5×5 topics
  29. Neuroimaging4▲ 5.6×7 topics
  30. Prenatal Diagnosis4▲ 10×6 topics
  31. Pulmonary Hypertension4▲ 10×3 topics
  32. Resuscitation4▲ 10×4 topics
  33. Neurobiology4▲ 5.1×5 topics
  34. Clinical Management4▲ 7.4×7 topics
  35. Critical Care4▲ 5.5×8 topics
  36. Mortality Risk4▲ 5.3×5 topics
  37. Genetic Regulation3▲ 7.5×3 topics
  38. Elderly Patients3▲ 7.0×4 topics
  39. Health Policy3▲ 7.4×3 topics
  40. Catheter Ablation3▲ 9.2×2 topics

Which research topics does National Hospital publish most on?

By volume in 2022–2025: Hemoglobinopathies and Related Disorders, Adolescent and Pediatric Healthcare, Emergency and Acute Care Studies and Congenital Heart Disease Studies.

Hemoglobinopathies and R…3Hemoglobinopathies and Related Disorders: 3 fractional worksAdolescent and Pediatric…3Adolescent and Pediatric Healthcare: 3 fractional worksEmergency and Acute Care Studies: 2 fractional worksCongenital Heart Disease…2Congenital Heart Disease Studies: 2 fractional worksCardiac Arrhythmias and …2Cardiac Arrhythmias and Treatments: 2 fractional worksCardiovascular Function and Risk Factors: 2 fractional worksAdolescent Sexual and Reproductive Health: 2 fractional worksEpilepsy research and tr…2Epilepsy research and treatment: 2 fractional worksCardiac Arrest and Resuscitation: 2 fractional worksChild and Adolescent Health: 2 fractional works
GeneticsSpeech and HearingEmergency MedicineEpidemiology3 others

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

  1. 1 Hemoglobinopathies and Related Disorders Genetics 3 works
  2. 2 Adolescent and Pediatric Healthcare Speech and Hearing 3 works
  3. 3 Emergency and Acute Care Studies Emergency Medicine 2 works
  4. 4 Congenital Heart Disease Studies Epidemiology 2 works
  5. 5 Cardiac Arrhythmias and Treatments Cardiology and Cardiovascular Medicine 2 works
  6. 6 Cardiovascular Function and Risk Factors Cardiology and Cardiovascular Medicine 2 works
  7. 7 Adolescent Sexual and Reproductive Health General Health Professions 2 works
  8. 8 Epilepsy research and treatment Psychiatry and Mental health 2 works
  9. 9 Cardiac Arrest and Resuscitation Emergency Medicine 2 works
  10. 10 Child and Adolescent Health General Health Professions 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 available43.5%not open56.5%

World: 28% of research is openly available.

with international co-authors40.6%domestic only59.4%

World: 19% is written across borders.

How has National Hospital's research output changed?

Output in 2018–2022 was 25% 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 Kozhikode

All research institutions in Kozhikode

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.