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Hospital / health system · Singapore · Singapore

Tan Tock Seng Hospital

In research, Tan Tock Seng Hospital stands highest in Medicine (#1,657 of 10,443 worldwide), Health Sciences (#1,955 of 11,982 worldwide) and Life Sciences (#3,527 of 7,800 worldwide), 2022–2025. Relative to its size it is most specialised in Ophthalmology and Surgery — Ophthalmology is 10.6× its share of world research.

ttsh.com.sgROR OpenAlex
World rank, 2022–2025
#5,260
of 28,054 · #5,599 all time
Rank in Singapore
#22
of 84
Research works
5.2k
▲ 28% vs 2013–17
Citations
91k
17.6 per fractional work
Top-10% rate
12.8%
record average 16.5%
Open access
45%
world 28%

What is Tan Tock Seng 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 #1,657 of 10,443 11.5%710 #1297
Health SciencesDomain #1,955 of 11,982 11.9%767 #1505
Life SciencesDomain #3,527 of 7,800 14.2%91 #3739
SurgerySubfield #923 of 1,816 9.3%153 #1192
Pulmonary and Respiratory MedicineSubfield #864 of 1,144 12.1%66 #1355

Each strip is that field’s whole ranked pool, with the notch where Tan Tock Seng 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).

Which of those standings moved

The same fields on both windows: where it stood over the whole record, and where it stands in 2022–2025. The distance is the story, and it is the one thing the two rank columns above cannot show.

  1. Medicine#1,297 #1,657
  2. Health Sciences#1,505 #1,955
  3. Life Sciences#3,739 #3,527
  4. Surgery#1,192 #923
  5. Pulmonary and Respiratory Medicine#1,355 #864
all time2022–2025, better2022–2025, worse

A dot further right is a better standing. Fields it was not ranked in over the whole record are left out.

What does Tan Tock Seng Hospital specialise in?

Where its research is concentrated relative to its size: Ophthalmology takes 10.6× the share of its output that it takes of world research.

  1. OphthalmologySubfield · 26.7 works11×
  2. SurgerySubfield · 152.9 works6.9×
← 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: 0.06× its world share, 3 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.08× its world share, 55 worksBiochemistry, Geneti…Immunology and Microbiology: 1.95× its world share, 18 worksImmunology and Micro…Neuroscience: 0.86× its world share, 13 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.74× its world share, 2 worksPharmacology, Toxico…Chemical Engineering: 0.17× its world share, 0 worksChemical EngineeringChemistry: 0.04× its world share, 1 worksChemistryComputer Science: 0.14× its world share, 10 worksComputer ScienceEarth and Planetary Sciences: 0.02× its world share, 0 worksEarth and Planetary …Energy: 0.01× its world share, 0 worksEnergyEngineering: 0.17× its world share, 24 worksEngineeringEnvironmental Science: 0.06× its world share, 3 worksEnvironmental ScienceMaterials Science: 0.05× its world share, 2 worksMaterials ScienceMathematics: 0.23× its world share, 3 worksMathematicsPhysics and Astronomy: 0.04× its world share, 1 worksPhysics and AstronomyDentistry: 0.80× its world share, 4 worksDentistryHealth Professions: 1.86× its world share, 46 worksHealth ProfessionsMedicine: 3.91× its world share, 710 worksMedicineNursing: 1.48× its world share, 7 worksNursingVeterinary: 0.49× its world share, 1 worksVeterinaryArts and Humanities: 0.03× its world share, 1 worksArts and HumanitiesBusiness, Management and Accounting: 0.07× its world share, 2 worksBusiness, Management…Decision Sciences: 0.04× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.38× its world share, 8 worksEconomics, Econometr…Psychology: 0.56× its world share, 16 worksPsychologySocial Sciences: 0.12× its world share, 15 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 Tan Tock Seng Hospital?

Ranked on the composite score, David Chien Lye, Bernard Yu‐Hor Thong and Wee Shiong Lim lead among researchers whose main affiliation is Tan Tock Seng Hospital.

  1. 1 David Chien Lye Singapore · #5,792 worldwide 1.2k citations · 64 works
  2. 2 Bernard Yu‐Hor Thong Singapore · #66,392 worldwide 217 citations · 31 works
  3. 3 Wee Shiong Lim Singapore · #137,907 worldwide 184 citations · 34 works
  4. 4 Rupesh Agrawal Singapore · #171,219 worldwide 194 citations · 67 works
  5. 5 John Abisheganaden Singapore · #202,248 worldwide 84 citations · 30 works
  6. 6 Yee‐Sin Leo Singapore · #203,357 worldwide 167 citations · 45 works
  7. 7 Vishal G. Shelat Singapore · #242,641 worldwide 160 citations · 54 works
  8. 8 Paul Jau Lueng Ong Singapore · #271,408 worldwide 107 citations · 21 works
  9. 9 Tock Han Lim Singapore · #353,523 worldwide 92 citations · 21 works
  10. 10 Stephen C. Teoh Singapore · #400,447 worldwide 76 citations · 15 works
All ranked researchers at Tan Tock Seng Hospital

Which keywords describe research at Tan Tock Seng Hospital?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Epidemiology, Treatment, Diagnosis, Inflammation, Management, Complications, Clinical Practice Guidelines and Surgical Management.

▲ 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. Epidemiology136▲ 3.6×119 topics
  2. Inflammation62▲ 3.1×63 topics
  3. Treatment52▲ 4.6×44 topics
  4. Diagnosis48▲ 5.4×38 topics
  5. Quality of Life38▲ 2.8×44 topics
  6. Management37▲ 5.0×27 topics
  7. Complications32▲ 6.7×17 topics
  8. Clinical Practice Guidelines31▲ 6.0×14 topics
  9. Risk Factors29▲ 2.8×28 topics
  10. Surgical Management28▲ 7.1×20 topics
  11. Mortality27▲ 5.0×12 topics
  12. Guidelines24▲ 5.6×12 topics
  13. Aging24▲ 4.8×13 topics
  14. Chemotherapy23▲ 3.5×21 topics
  15. Rehabilitation22▲ 6.0×12 topics
  16. Cardiovascular Disease22▲ 2.1×29 topics
  17. Atherosclerosis19▲ 7.2×8 topics
  18. Prognostic Factors19▲ 4.7×14 topics
  19. Prognosis19▲ 6.0×9 topics
  20. Immune Response18▲ 3.4×20 topics
  21. Surgery18▲ 5.5×10 topics
  22. Antibiotic Resistance18▲ 5.0×13 topics
  23. Radiotherapy18▲ 5.0×13 topics
  24. Prevention17▲ 4.4×16 topics
  25. Diabetes17▲ 3.6×13 topics
  26. Elderly Patients17▲ 11×4 topics
  27. Patient Satisfaction17▲ 5.7×9 topics
  28. SARS-CoV-216▲ 5.1×6 topics
  29. Biomechanics16▲ 5.4×8 topics
  30. ACE2 Receptor15▲ 6.5×3 topics
  31. Revision Surgery14▲ 12×2 topics
  32. Total Hip Replacement14▲ 12×2 topics
  33. Autoantibodies14▲ 6.5×8 topics
  34. Critical Care14▲ 6.4×8 topics
  35. Functional Recovery14▲ 9.8×4 topics
  36. Percutaneous Coronary Intervention14▲ 11×4 topics
  37. Clinical Outcomes13▲ 6.6×6 topics
  38. Surgical Treatment12▲ 6.7×6 topics
  39. Glaucoma12▲ 8.9×4 topics
  40. Muscle Mass11▲ 11×2 topics

Which research topics does Tan Tock Seng Hospital publish most on?

By volume in 2022–2025: Frailty in Older Adults, Coronary Interventions and Diagnostics, Nutrition and Health in Aging and Total Knee Arthroplasty Outcomes.

Frailty in Older Adults9Frailty in Older Adults: 9 fractional worksCoronary Interventions a…8Coronary Interventions and Diagnostics: 8 fractional worksNutrition and Health in Aging: 8 fractional worksTotal Knee Arthroplasty …8Total Knee Arthroplasty Outcomes: 8 fractional worksPalliative Care and End-…8Palliative Care and End-of-Life Issues: 8 fractional worksStroke Rehabilitation and Recovery: 7 fractional worksOrthopedic Surgery and Rehabilitation: 7 fractional worksOrthopaedic implants and…6Orthopaedic implants and arthroplasty: 6 fractional worksSARS-CoV-2 and COVID-19 Research: 6 fractional worksBone fractures and treatments: 6 fractional works
Geriatrics and GerontologySurgeryPhysiologyPublic Health, Environmental and Occupational Health3 others

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

  1. 1 Frailty in Older Adults Geriatrics and Gerontology 9 works
  2. 2 Coronary Interventions and Diagnostics Surgery 8 works
  3. 3 Nutrition and Health in Aging Physiology 8 works
  4. 4 Total Knee Arthroplasty Outcomes Surgery 8 works
  5. 5 Palliative Care and End-of-Life Issues Public Health, Environmental and Occupational Health 8 works
  6. 6 Stroke Rehabilitation and Recovery Rehabilitation 7 works
  7. 7 Orthopedic Surgery and Rehabilitation Surgery 7 works
  8. 8 Orthopaedic implants and arthroplasty Surgery 6 works
  9. 9 SARS-CoV-2 and COVID-19 Research Infectious Diseases 6 works
  10. 10 Bone fractures and treatments Epidemiology 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 available45.1%not open54.9%

World: 28% of research is openly available.

with international co-authors15.7%domestic only84.3%

World: 19% is written across borders.

How has Tan Tock Seng Hospital's research output changed?

Output in 2018–2022 was 28% 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 Singapore

All research institutions in Singapore

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.