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Hospital / health system · London · United Kingdom

St Mary's Hospital

In research, St Mary's Hospital stands highest in Medicine (#3,572 of 10,443 worldwide) and Health Sciences (#4,705 of 11,982 worldwide), 2022–2025.

imperial.nhs.uk/stmarys/index.htmROR OpenAlex
World rank, 2022–2025
#10,482
of 28,054 · #5,905 all time
Rank in United Kingdom
#387
of 1,094
Research works
2.2k
▲ 12% vs 2013–17
Citations
62k
28.7 per fractional work
Top-10% rate
24.6%
record average 16.5%
Open access
35%
world 28%

What is St Mary's 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 #3,572 of 10,443 22.7%100 #1486
Health SciencesDomain #4,705 of 11,982 23.1%108 #1701

Each strip is that field’s whole ranked pool, with the notch where St Mary's 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: 0.27× its world share, 2 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.93× its world share, 15 worksBiochemistry, Geneti…Immunology and Microbiology: 4.15× its world share, 6 worksImmunology and Micro…Neuroscience: 1.00× its world share, 2 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 1.80× its world share, 1 worksPharmacology, Toxico…Chemical Engineering: 0.22× its world share, 0 worksChemical EngineeringChemistry: 0.02× its world share, 0 worksChemistryComputer Science: 0.07× its world share, 1 worksComputer ScienceEnergy: 0.33× its world share, 0 worksEnergyEngineering: 0.11× its world share, 2 worksEngineeringEnvironmental Science: 0.17× its world share, 1 worksEnvironmental ScienceMaterials Science: 0.03× its world share, 0 worksMaterials ScienceMathematics: 0.08× its world share, 0 worksMathematicsPhysics and Astronomy: 0.03× its world share, 0 worksPhysics and AstronomyDentistry: 0.18× its world share, 0 worksDentistryHealth Professions: 1.61× its world share, 6 worksHealth ProfessionsMedicine: 3.56× its world share, 100 worksMedicineNursing: 0.85× its world share, 1 worksNursingVeterinary: 0.71× its world share, 0 worksVeterinaryArts and Humanities: 0.17× its world share, 1 worksArts and HumanitiesBusiness, Management and Accounting: 0.05× its world share, 0 worksBusiness, Management…Economics, Econometrics and Finance: 0.25× its world share, 1 worksEconomics, Econometr…Psychology: 0.69× its world share, 3 worksPsychologySocial Sciences: 0.13× its world share, 2 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Immunology and Microbiology, 4.2×. Every wedge is a field page.

Who are the top researchers at St Mary's Hospital?

Ranked on the composite score, John Frazer, J T Hobbs and R. David Rosin lead among researchers whose main affiliation is St Mary's Hospital.

  1. 1 John Frazer United Kingdom · #349,202 worldwide 14 citations · 23 works
  2. 2 J T Hobbs United Kingdom · #458,366 worldwide 74 citations · 16 works
  3. 3 R. David Rosin United Kingdom · #624,338 worldwide 16 citations · 30 works
  4. 4 Barbara S. Baker United Kingdom · #676,665 worldwide 51 citations · 19 works
  5. 5 L. Paige Whitaker United Kingdom · #813,784 worldwide 3 citations · 22 works
  6. 6 Nadey S Hakim United Kingdom · #1,368,827 worldwide 19 citations · 27 works
All ranked researchers at St Mary's Hospital

Which keywords describe research at St Mary's Hospital?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Epidemiology, Clinical Practice Guidelines, Mortality, Risk Factors, Maternal Mortality, Guidelines, Quality of Life 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. Epidemiology21▲ 3.7×82 topics
  2. Inflammation7▲ 2.3×45 topics
  3. Quality of Life7▲ 3.2×26 topics
  4. Risk Factors6▲ 4.0×24 topics
  5. Clinical Practice Guidelines6▲ 7.3×13 topics
  6. Mortality6▲ 6.9×12 topics
  7. Oxidative Stress6▲ 2.4×26 topics
  8. Diagnosis5▲ 3.9×26 topics
  9. Treatment5▲ 3.0×28 topics
  10. Guidelines5▲ 7.0×11 topics
  11. Maternal Mortality5▲ 14×5 topics
  12. Metabolic Syndrome4▲ 3.6×16 topics
  13. Rehabilitation4▲ 6.8×9 topics
  14. Chemotherapy4▲ 3.7×16 topics
  15. Management4▲ 3.3×19 topics
  16. Complications4▲ 4.9×16 topics
  17. Endothelial Dysfunction3▲ 9.1×7 topics
  18. Surgery3▲ 6.0×8 topics
  19. Ovarian Cancer3▲ 23×3 topics
  20. Breast Cancer3▲ 8.3×6 topics
  21. Cancer Risk3▲ 8.8×7 topics
  22. Cardiovascular Health3▲ 10×3 topics
  23. Survival Analysis3▲ 7.2×6 topics
  24. Cervical Cancer3▲ 17×2 topics
  25. Genetic Testing3▲ 16×3 topics
  26. Postoperative Complications3▲ 14×2 topics
  27. Cardiac Risk3▲ 21×1 topic
  28. Infection3▲ 7.3×6 topics
  29. Neurodevelopmental Outcomes3▲ 9.5×6 topics
  30. Perioperative3▲ 21×1 topic
  31. Robotic Surgery3▲ 12×5 topics
  32. Surgical Treatment3▲ 9.1×4 topics
  33. Pregnancy Complications2▲ 22×2 topics
  34. Pulmonary Hypertension2▲ 12×3 topics
  35. Cancer Incidence2▲ 12×4 topics
  36. Medical Education2▲ 6.4×8 topics
  37. Placental Development2▲ 26×1 topic
  38. Preeclampsia2▲ 22×1 topic
  39. Urinary Incontinence2▲ 21×2 topics
  40. Antiretroviral Therapy2▲ 9.7×6 topics

Which research topics does St Mary's Hospital publish most on?

By volume in 2022–2025: Cardiac, Anesthesia and Surgical Outcomes, Pregnancy and preeclampsia studies, BRCA gene mutations in cancer and Pelvic floor disorders treatments.

Cardiac, Anesthesia and …3Cardiac, Anesthesia and Surgical Outcomes: 3 fractional worksPregnancy and preeclamps…2Pregnancy and preeclampsia studies: 2 fractional worksBRCA gene mutations in c…2BRCA gene mutations in cancer: 2 fractional worksPelvic floor disorders t…2Pelvic floor disorders treatments: 2 fractional worksT-cell and Retrovirus Studies: 2 fractional worksCervical Cancer and HPV Research: 1 fractional worksHemoglobinopathies and R…1Hemoglobinopathies and Related Disorders: 1 fractional worksGenomics and Rare Diseases: 1 fractional worksEndometrial and Cervical Cancer Treatments: 1 fractional worksReproductive System and …1Reproductive System and Pregnancy: 1 fractional works
Cardiology and Cardiovascular MedicineObstetrics and GynecologyGeneticsRheumatology2 others

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

  1. 1 Cardiac, Anesthesia and Surgical Outcomes Cardiology and Cardiovascular Medicine 3 works
  2. 2 Pregnancy and preeclampsia studies Obstetrics and Gynecology 2 works
  3. 3 BRCA gene mutations in cancer Genetics 2 works
  4. 4 Pelvic floor disorders treatments Rheumatology 2 works
  5. 5 T-cell and Retrovirus Studies Immunology 2 works
  6. 6 Cervical Cancer and HPV Research Epidemiology 1 works
  7. 7 Hemoglobinopathies and Related Disorders Genetics 1 works
  8. 8 Genomics and Rare Diseases Genetics 1 works
  9. 9 Endometrial and Cervical Cancer Treatments Obstetrics and Gynecology 1 works
  10. 10 Reproductive System and Pregnancy Immunology 1 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 available34.9%not open65.1%

World: 28% of research is openly available.

with international co-authors22.3%domestic only77.7%

World: 19% is written across borders.

How has St Mary's Hospital's research output changed?

Output in 2018–2022 was 12% 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 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.