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Hospital / health system · London · United Kingdom

Chelsea and Westminster Hospital

In research, Chelsea and Westminster Hospital stands highest in Medicine (#3,857 of 10,443 worldwide) and Health Sciences (#5,041 of 11,982 worldwide), 2022–2025.

chelwest.nhs.ukROR OpenAlex
World rank, 2022–2025
#7,944
of 28,054 · #2,379 all time
Rank in United Kingdom
#304
of 1,094
Research works
6.3k
▼ 18% vs 2013–17
Citations
155k
24.4 per fractional work
Top-10% rate
15.4%
record average 16.5%
Open access
33%
world 28%

What is Chelsea and Westminster 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 #3,857 of 10,443 15.0%227 #671
Health SciencesDomain #5,041 of 11,982 14.8%243 #822

Each strip is that field’s whole ranked pool, with the notch where Chelsea and Westminster 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: 0.05× its world share, 1 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.19× its world share, 19 worksBiochemistry, Geneti…Immunology and Microbiology: 2.55× its world share, 8 worksImmunology and Micro…Neuroscience: 1.41× its world share, 7 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.42× its world share, 0 worksPharmacology, Toxico…Chemistry: 0.03× its world share, 0 worksChemistryComputer Science: 0.07× its world share, 2 worksComputer ScienceEarth and Planetary Sciences: 0.01× its world share, 0 worksEarth and Planetary …Engineering: 0.10× its world share, 5 worksEngineeringEnvironmental Science: 0.04× its world share, 1 worksEnvironmental ScienceMaterials Science: 0.02× its world share, 0 worksMaterials ScienceMathematics: 0.03× its world share, 0 worksMathematicsDentistry: 0.16× its world share, 0 worksDentistryHealth Professions: 1.74× its world share, 14 worksHealth ProfessionsMedicine: 3.85× its world share, 226 worksMedicineNursing: 1.59× its world share, 2 worksNursingVeterinary: 0.72× its world share, 0 worksVeterinaryArts and Humanities: 0.12× its world share, 1 worksArts and HumanitiesBusiness, Management and Accounting: 0.12× its world share, 1 worksBusiness, Management…Decision Sciences: 0.26× its world share, 1 worksDecision SciencesEconomics, Econometrics and Finance: 0.37× its world share, 2 worksEconomics, Econometr…Psychology: 0.54× its world share, 5 worksPsychologySocial Sciences: 0.24× its world share, 9 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 Chelsea and Westminster Hospital?

Ranked on the composite score, Harold Ellis, Brian Gazzard and Mark R. Johnson lead among researchers whose main affiliation is Chelsea and Westminster Hospital.

  1. 1 Harold Ellis United Kingdom · #47,046 worldwide 586 citations · 201 works
  2. 2 Brian Gazzard United Kingdom · #68,973 worldwide 318 citations · 77 works
  3. 3 Mark R. Johnson United Kingdom · #76,079 worldwide 229 citations · 43 works
  4. 4 D. A. Brewerton United Kingdom · #107,247 worldwide 121 citations · 33 works
  5. 5 J R Hobbs United Kingdom · #109,506 worldwide 221 citations · 42 works
  6. 6 Philip Steer United Kingdom · #118,530 worldwide 123 citations · 58 works
  7. 7 Mark Nelson United Kingdom · #151,782 worldwide 288 citations · 87 works
  8. 8 D. M. Matthews United Kingdom · #163,940 worldwide 180 citations · 26 works
  9. 9 S. A. Feldman United Kingdom · #174,654 worldwide 96 citations · 23 works
  10. 10 N. F. Maclagan United Kingdom · #193,627 worldwide 133 citations · 24 works
All ranked researchers at Chelsea and Westminster Hospital

Which keywords describe research at Chelsea and Westminster Hospital?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Epidemiology, Complications, Inflammation, Risk Factors, Rehabilitation, Mortality, Maternal Mortality and Diagnosis.

▲ 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. Epidemiology37▲ 3.0×86 topics
  2. Inflammation18▲ 2.8×51 topics
  3. Risk Factors13▲ 3.9×25 topics
  4. Complications13▲ 8.3×16 topics
  5. Treatment11▲ 3.0×32 topics
  6. Diagnosis11▲ 3.8×28 topics
  7. Quality of Life10▲ 2.2×24 topics
  8. Mortality9▲ 5.3×11 topics
  9. Clinical Trials9▲ 4.5×15 topics
  10. Rehabilitation9▲ 7.7×10 topics
  11. Diabetes8▲ 5.6×12 topics
  12. Management8▲ 3.4×24 topics
  13. Cardiovascular Disease8▲ 2.4×28 topics
  14. Maternal Mortality8▲ 12×5 topics
  15. Obesity8▲ 3.3×15 topics
  16. Metabolic Syndrome8▲ 3.0×18 topics
  17. Antiretroviral Therapy7▲ 15×5 topics
  18. Chemotherapy7▲ 3.3×20 topics
  19. Guidelines7▲ 4.8×11 topics
  20. Clinical Practice Guidelines7▲ 4.0×12 topics
  21. Immune Response7▲ 3.9×12 topics
  22. Immunotherapy7▲ 3.1×16 topics
  23. Neurodevelopmental Outcomes7▲ 12×5 topics
  24. Type 2 Diabetes6▲ 9.0×5 topics
  25. Preterm Infants6▲ 16×3 topics
  26. Primary Care6▲ 5.1×11 topics
  27. Laparoscopic Surgery6▲ 15×4 topics
  28. Surgery6▲ 5.2×11 topics
  29. Elderly Patients5▲ 11×4 topics
  30. Robotic Surgery5▲ 12×4 topics
  31. Survival Analysis5▲ 6.4×6 topics
  32. Weight Loss5▲ 10×3 topics
  33. Pregnancy5▲ 7.6×7 topics
  34. Wound Healing5▲ 6.1×9 topics
  35. Chronic Pain5▲ 6.8×5 topics
  36. Sedation5▲ 17×2 topics
  37. Tumor Staging4▲ 13×2 topics
  38. Anesthesia4▲ 19×4 topics
  39. Pulmonary Hypertension4▲ 9.8×3 topics
  40. Sentinel Lymph Node Biopsy4▲ 16×2 topics

Which research topics does Chelsea and Westminster Hospital publish most on?

By volume in 2022–2025: Neonatal Respiratory Health Research, Cardiac, Anesthesia and Surgical Outcomes, Cutaneous Melanoma Detection and Management and Bariatric Surgery and Outcomes.

Neonatal Respiratory Hea…4Neonatal Respiratory Health Research: 4 fractional worksCardiac, Anesthesia and …3Cardiac, Anesthesia and Surgical Outcomes: 3 fractional worksCutaneous Melanoma Detection and Management: 3 fractional worksBariatric Surgery and Ou…3Bariatric Surgery and Outcomes: 3 fractional worksIntensive Care Unit Cogn…3Intensive Care Unit Cognitive Disorders: 3 fractional worksHIV/AIDS Research and Interventions: 3 fractional worksReproductive Health and Contraception: 3 fractional worksPregnancy and preeclamps…2Pregnancy and preeclampsia studies: 2 fractional worksPharmaceutical Practices and Patient Outcomes: 2 fractional worksAnesthesia and Neurotoxicity Research: 2 fractional works
Pulmonary and Respiratory MedicineCardiology and Cardiovascular MedicineOncologySurgery6 others

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

  1. 1 Neonatal Respiratory Health Research Pulmonary and Respiratory Medicine 4 works
  2. 2 Cardiac, Anesthesia and Surgical Outcomes Cardiology and Cardiovascular Medicine 3 works
  3. 3 Cutaneous Melanoma Detection and Management Oncology 3 works
  4. 4 Bariatric Surgery and Outcomes Surgery 3 works
  5. 5 Intensive Care Unit Cognitive Disorders Critical Care and Intensive Care Medicine 3 works
  6. 6 HIV/AIDS Research and Interventions Infectious Diseases 3 works
  7. 7 Reproductive Health and Contraception Public Health, Environmental and Occupational Health 3 works
  8. 8 Pregnancy and preeclampsia studies Obstetrics and Gynecology 2 works
  9. 9 Pharmaceutical Practices and Patient Outcomes Geriatrics and Gerontology 2 works
  10. 10 Anesthesia and Neurotoxicity Research Developmental Neuroscience 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 available33.3%not open66.7%

World: 28% of research is openly available.

with international co-authors10.6%domestic only89.4%

World: 19% is written across borders.

How has Chelsea and Westminster Hospital's research output changed?

Output in 2018–2022 was 18% lower 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 London

All research institutions in London

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.