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Hospital / health system · London · United Kingdom

St Mark's Hospital

In research, St Mark's Hospital stands highest in Medicine (#6,704 of 10,443 worldwide) and Health Sciences (#8,093 of 11,982 worldwide), 2022–2025. Relative to its size it is most specialised in Oncology, Surgery and Genetics — Oncology is 10.8× its share of world research.

stmarkshospital.nhs.ukROR OpenAlex
World rank, 2022–2025
#18,618
of 28,054 · #9,509 all time
Rank in United Kingdom
#658
of 1,094
Research works
2.6k
▼ 8% vs 2013–17
Citations
94k
36.3 per fractional work
Top-10% rate
13.8%
record average 16.5%
Open access
32%
world 28%

What is St Mark'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 #6,704 of 10,443 13.7%174 #2348
Health SciencesDomain #8,093 of 11,982 13.2%195 #2955

Each strip is that field’s whole ranked pool, with the notch where St Mark'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).

What does St Mark's Hospital specialise in?

Where its research is concentrated relative to its size: Oncology takes 10.8× the share of its output that it takes of world research.

  1. OncologySubfield · 29.9 works11×
  2. SurgerySubfield · 59.1 works10×
  3. GeneticsSubfield · 20.3 works10×
← less than its size predicts1×more →

Location quotient, a volume reading rather than an impact one. It surfaces small, lopsided specialities.

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: 0.09× its world share, 1 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 2.08× its world share, 27 worksBiochemistry, Geneti…Immunology and Microbiology: 1.97× its world share, 5 worksImmunology and Micro…Neuroscience: 0.21× its world share, 1 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.94× its world share, 1 worksPharmacology, Toxico…Chemistry: 0.01× its world share, 0 worksChemistryComputer Science: 0.07× its world share, 1 worksComputer ScienceEngineering: 0.10× its world share, 4 worksEngineeringEnvironmental Science: 0.08× its world share, 1 worksEnvironmental ScienceMaterials Science: 0.11× its world share, 1 worksMaterials ScienceMathematics: 0.01× its world share, 0 worksMathematicsPhysics and Astronomy: 0.04× its world share, 0 worksPhysics and AstronomyDentistry: 0.14× its world share, 0 worksDentistryHealth Professions: 1.95× its world share, 13 worksHealth ProfessionsMedicine: 3.68× its world share, 174 worksMedicineNursing: 6.71× its world share, 8 worksNursingBusiness, Management and Accounting: 0.05× its world share, 0 worksBusiness, Management…Decision Sciences: 0.04× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.27× its world share, 1 worksEconomics, Econometr…Psychology: 0.30× its world share, 2 worksPsychologySocial Sciences: 0.15× its world share, 5 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Nursing, 6.7×. Every wedge is a field page.

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

Ranked on the composite score, Ailsa Hart, Michael A. Kamm and Clive I. Bartram lead among researchers whose main affiliation is St Mark's Hospital.

  1. 1 Ailsa Hart United Kingdom · #4,259 worldwide 887 citations · 96 works
  2. 2 Michael A. Kamm United Kingdom · #12,713 worldwide 824 citations · 122 works
  3. 3 Clive I. Bartram United Kingdom · #36,599 worldwide 259 citations · 37 works
  4. 4 R J Nicholls United Kingdom · #37,672 worldwide 341 citations · 38 works
  5. 5 Janindra Warusavitarne United Kingdom · #40,190 worldwide 200 citations · 41 works
  6. 6 Siwan Thomas‐Gibson United Kingdom · #52,976 worldwide 164 citations · 57 works
  7. 7 R K S Phillips United Kingdom · #97,878 worldwide 343 citations · 23 works
  8. 8 M M Henry United Kingdom · #110,213 worldwide 221 citations · 24 works
  9. 9 Jonathan Segal United Kingdom · #128,175 worldwide 188 citations · 42 works
  10. 10 R J Nicholls United Kingdom · #139,246 worldwide 196 citations · 22 works
All ranked researchers at St Mark's Hospital

Which keywords describe research at St Mark's Hospital?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Epidemiology, Inflammatory Bowel Disease, Quality of Life, Clinical Practice Guidelines, Pathogenesis, Laparoscopic Surgery, Adjuvant Chemotherapy and Genetics.

▲ 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▲ 4.2×45 topics
  2. Inflammatory Bowel Disease28▲ 98×4 topics
  3. Quality of Life26▲ 7.3×21 topics
  4. Clinical Practice Guidelines24▲ 18×11 topics
  5. Laparoscopic Surgery21▲ 72×4 topics
  6. Pathogenesis21▲ 17×10 topics
  7. Adjuvant Chemotherapy20▲ 116×2 topics
  8. Genetics20▲ 11×3 topics
  9. Crohn's Disease18▲ 92×2 topics
  10. Immunology17▲ 66×1 topic
  11. Ulcerative Colitis17▲ 158×1 topic
  12. Guidelines16▲ 14×9 topics
  13. Mortality15▲ 11×7 topics
  14. Neoadjuvant Therapy15▲ 26×4 topics
  15. Inflammation15▲ 2.9×22 topics
  16. Chemotherapy14▲ 8.0×12 topics
  17. Molecular Characterization14▲ 32×3 topics
  18. Preoperative Chemoradiotherapy14▲ 71×2 topics
  19. Tumor Markers13▲ 66×2 topics
  20. Rectal Cancer13▲ 137×1 topic
  21. Total Mesorectal Excision13▲ 137×1 topic
  22. Risk Factors13▲ 4.7×9 topics
  23. Prevention12▲ 12×6 topics
  24. Laparoscopic Repair12▲ 123×2 topics
  25. Treatment12▲ 3.9×17 topics
  26. Psychological Adjustment11▲ 30×2 topics
  27. Parastomal Hernia10▲ 339×1 topic
  28. Stoma Complications10▲ 339×1 topic
  29. Colorectal Cancer10▲ 54×2 topics
  30. Incidence10▲ 68×2 topics
  31. Screening10▲ 45×2 topics
  32. Colonoscopy10▲ 96×1 topic
  33. Polyps10▲ 96×1 topic
  34. Epidemiological Study10▲ 58×4 topics
  35. Fistulas9▲ 106×1 topic
  36. Hemorrhoids9▲ 201×1 topic
  37. Proton Pump Inhibitors9▲ 56×2 topics
  38. Collagenous Colitis8▲ 143×1 topic
  39. Gastric Cancer8▲ 30×3 topics
  40. Microscopic Colitis8▲ 143×1 topic

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

By volume in 2022–2025: Inflammatory Bowel Disease, Colorectal Cancer Surgical Treatments, Stoma care and complications and Colorectal Cancer Screening and Detection.

Inflammatory Bowel Disease: 17 fractional worksColorectal Cancer Surgical Treatments: 13 fractional worksStoma care and complicat…10Stoma care and complications: 10 fractional worksColorectal Cancer Screen…10Colorectal Cancer Screening and Detection: 10 fractional worksAnorectal Disease Treatments and Outcomes: 9 fractional worksMicroscopic Colitis: 8 fractional worksClinical Nutrition and G…7Clinical Nutrition and Gastroenterology: 7 fractional worksGenetic factors in color…7Genetic factors in colorectal cancer: 7 fractional worksGastric Cancer Managemen…7Gastric Cancer Management and Outcomes: 7 fractional worksDiverticular Disease and…6Diverticular Disease and Complications: 6 fractional works
GeneticsOncologySurgeryEpidemiology3 others

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

  1. 1 Inflammatory Bowel Disease Genetics 17 works
  2. 2 Colorectal Cancer Surgical Treatments Oncology 13 works
  3. 3 Stoma care and complications Surgery 10 works
  4. 4 Colorectal Cancer Screening and Detection Oncology 10 works
  5. 5 Anorectal Disease Treatments and Outcomes Surgery 9 works
  6. 6 Microscopic Colitis Epidemiology 8 works
  7. 7 Clinical Nutrition and Gastroenterology Nutrition and Dietetics 7 works
  8. 8 Genetic factors in colorectal cancer Pathology and Forensic Medicine 7 works
  9. 9 Gastric Cancer Management and Outcomes Pulmonary and Respiratory Medicine 7 works
  10. 10 Diverticular Disease and Complications Surgery 6 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 available31.5%not open68.5%

World: 28% of research is openly available.

with international co-authors21.1%domestic only78.9%

World: 19% is written across borders.

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

Output in 2018–2022 was 8% 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.