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Hospital / health system · Colombo · Sri Lanka

Colombo North Teaching Hospital

In research, Colombo North Teaching Hospital stands highest in Medicine (#8,481 of 10,443 worldwide) and Health Sciences (#10,006 of 11,982 worldwide), 2022–2025.

cnth.health.gov.lkROR OpenAlex
World rank, 2022–2025
#18,333
of 28,054 · #25,564 all time
Rank in Sri Lanka
#24
of 37
Research works
861
▲ 57% vs 2013–17
Citations
4k
4.7 per fractional work
Top-10% rate
4.0%
record average 16.5%
Open access
84%
world 28%

What is Colombo North Teaching 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 #8,481 of 10,443 3.5%174 #8281
Health SciencesDomain #10,006 of 11,982 3.8%186 #9992

Each strip is that field’s whole ranked pool, with the notch where Colombo North Teaching 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: 0.16× its world share, 2 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.34× its world share, 17 worksBiochemistry, Geneti…Immunology and Microbiology: 2.81× its world share, 7 worksImmunology and Micro…Neuroscience: 0.75× its world share, 3 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 1.04× its world share, 1 worksPharmacology, Toxico…Chemical Engineering: 0.20× its world share, 0 worksChemical EngineeringChemistry: 0.05× its world share, 0 worksChemistryComputer Science: 0.07× its world share, 1 worksComputer ScienceEarth and Planetary Sciences: 0.15× its world share, 1 worksEarth and Planetary …Engineering: 0.08× its world share, 3 worksEngineeringEnvironmental Science: 0.05× its world share, 1 worksEnvironmental ScienceMathematics: 0.07× its world share, 0 worksMathematicsDentistry: 1.26× its world share, 1 worksDentistryHealth Professions: 1.42× its world share, 9 worksHealth ProfessionsMedicine: 3.85× its world share, 174 worksMedicineNursing: 0.66× its world share, 1 worksNursingVeterinary: 3.65× its world share, 1 worksVeterinaryArts and Humanities: 0.11× its world share, 1 worksArts and HumanitiesBusiness, Management and Accounting: 0.05× its world share, 0 worksBusiness, Management…Decision Sciences: 0.18× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.31× its world share, 2 worksEconomics, Econometr…Psychology: 1.06× its world share, 8 worksPsychologySocial Sciences: 0.11× its world share, 3 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Medicine, 3.9×. Every wedge is a field page.

Who are the top researchers at Colombo North Teaching Hospital?

Ranked on the composite score, Uditha Bulugahapitiya lead among researchers whose main affiliation is Colombo North Teaching Hospital.

  1. 1 Uditha Bulugahapitiya Sri Lanka · #1,624,188 worldwide 2 citations · 16 works
All ranked researchers at Colombo North Teaching Hospital

Which keywords describe research at Colombo North Teaching Hospital?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Epidemiology, Diagnosis, Treatment, Pathogenesis, Surgical Management, Risk Factors, Complications 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. Epidemiology43▲ 4.6×87 topics
  2. Treatment18▲ 6.2×35 topics
  3. Diagnosis18▲ 8.1×30 topics
  4. Risk Factors11▲ 4.1×20 topics
  5. Pathogenesis10▲ 8.3×15 topics
  6. Inflammation9▲ 1.78×29 topics
  7. Management8▲ 4.6×20 topics
  8. Complications8▲ 6.9×12 topics
  9. Surgical Management8▲ 8.4×15 topics
  10. Guidelines8▲ 7.1×11 topics
  11. Cardiovascular Disease8▲ 2.9×22 topics
  12. Metabolic Syndrome7▲ 3.9×14 topics
  13. Mortality7▲ 5.1×8 topics
  14. Quality of Life7▲ 2.0×17 topics
  15. COVID-196▲ 2.0×14 topics
  16. Clinical Practice Guidelines6▲ 4.8×12 topics
  17. Vaccine Development6▲ 9.9×7 topics
  18. Immunotherapy6▲ 3.3×12 topics
  19. Genetic Mutations5▲ 5.3×17 topics
  20. Clinical Trials5▲ 3.3×12 topics
  21. Depression5▲ 2.6×11 topics
  22. Children5▲ 9.0×5 topics
  23. Pathophysiology5▲ 7.2×7 topics
  24. Immune Response5▲ 3.4×12 topics
  25. Virulence5▲ 31×4 topics
  26. Chronic Kidney Disease4▲ 7.4×8 topics
  27. Insulin Resistance4▲ 3.9×5 topics
  28. Prevention4▲ 4.1×5 topics
  29. Elderly4▲ 6.8×4 topics
  30. Screening4▲ 18×2 topics
  31. Antibiotic Resistance4▲ 4.2×9 topics
  32. Hemostasis4▲ 17×5 topics
  33. Surgery4▲ 4.5×7 topics
  34. Toxins3▲ 15×3 topics
  35. Genetic Variants3▲ 7.8×5 topics
  36. Clinical Management3▲ 7.7×7 topics
  37. Prostate Cancer3▲ 10×3 topics
  38. Adults3▲ 21×2 topics
  39. Anemia3▲ 13×3 topics
  40. Pulmonary Hypertension3▲ 8.7×3 topics

Which research topics does Colombo North Teaching Hospital publish most on?

By volume in 2022–2025: Colorectal Cancer Screening and Detection, Burkholderia infections and melioidosis, Gastrointestinal disorders and treatments and Infectious Diseases and Tuberculosis.

Colorectal Cancer Screen…2Colorectal Cancer Screening and Detection: 2 fractional worksBurkholderia infections …2Burkholderia infections and melioidosis: 2 fractional worksGastrointestinal disorders and treatments: 2 fractional worksInfectious Diseases and Tuberculosis: 2 fractional worksGynecological conditions and treatments: 2 fractional worksHemoglobinopathies and Related Disorders: 2 fractional worksLiver Disease Diagnosis and Treatment: 2 fractional worksLeptospirosis research a…2Leptospirosis research and findings: 2 fractional worksClinical Laboratory Practices and Quality Control: 2 fractional worksParathyroid Disorders and Treatments: 2 fractional works
OncologyEpidemiologySurgeryObstetrics and Gynecology4 others

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

  1. 1 Colorectal Cancer Screening and Detection Oncology 2 works
  2. 2 Burkholderia infections and melioidosis Epidemiology 2 works
  3. 3 Gastrointestinal disorders and treatments Surgery 2 works
  4. 4 Infectious Diseases and Tuberculosis Surgery 2 works
  5. 5 Gynecological conditions and treatments Obstetrics and Gynecology 2 works
  6. 6 Hemoglobinopathies and Related Disorders Genetics 2 works
  7. 7 Liver Disease Diagnosis and Treatment Epidemiology 2 works
  8. 8 Leptospirosis research and findings Parasitology 2 works
  9. 9 Clinical Laboratory Practices and Quality Control Physiology 2 works
  10. 10 Parathyroid Disorders and Treatments Nephrology 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 available83.9%not open16.1%

World: 28% of research is openly available.

with international co-authors8.2%domestic only91.8%

World: 19% is written across borders.

How has Colombo North Teaching Hospital's research output changed?

Output in 2018–2022 was 57% 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 Colombo

All research institutions in Colombo

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.