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Hospital / health system · Singapore · Singapore

Tan Tock Seng Hospital

In research, Tan Tock Seng Hospital stands highest in Health Sciences (#1,349 of 9,902 worldwide), Medicine (#1,217 of 8,541 worldwide) and Life Sciences (#2,594 of 6,403 worldwide), 2022-now. Relative to its size it is most specialised in Ophthalmology and Surgery (Ophthalmology is 11.0× its share of world research).

ttsh.com.sgROR OpenAlex
World rank, 2022-now
#4,029
of 22,385 · #3,874 all time
Rank in Singapore
#13
of 61
Research works
5.2k
▼ 11% vs 2018-21
Citations
91k
17.6 per fractional work
Top-10% rate
9.6%
all institutions 10.0%
vs its own fields
0.87×
1.00× is exactly expected
Open access
45%
world 40%
International
16%
world 18%
Tan Tock Seng Hospital

What is Tan Tock Seng Hospital known for in research?

The fields where it stands highest, 2022-now, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorksAll time
Health SciencesDomain #1,349 of 9,902 9.1%767 #1714
MedicineField #1,217 of 8,541 9.0%710 #1545
Life SciencesDomain #2,594 of 6,403 10.0%91 #2776
SurgerySubfield #641 of 1,532 8.5%153 #1038
Pulmonary and Respiratory MedicineSubfield #626 of 1,037 11.8%66 #1056

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 average mark, because the average differs by field (from about 6% in Dentistry to 21% in Economics).

Which of those standings moved

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

  1. Health Sciences#1,714 #1,349
  2. Medicine#1,545 #1,217
  3. Life Sciences#2,776 #2,594
  4. Surgery#1,038 #641
  5. Pulmonary and Respiratory Medicine#1,056 #626
all time2022-now, better2022-now, worse

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

Which fields of science does Tan Tock Seng Hospital work in?

In 2022-now, 81% of research at Tan Tock Seng Hospital is in Health Sciences, 10% in Life Sciences. Its largest fields are Medicine (75%), Biochemistry, Genetics and Molecular Biology (6%), Health Professions (5%). It does 3.5× the world's share of Health Sciences.

Health Sciences: 897 fractional works · 81.0% of its workMedicine: 831 fractional works · 75.1% of its workSurgery: 174 fractional works · 15.7% of its workPulmonary and Respiratory Medicine: 81 fractional works · 7.3% of its workEpidemiology: 60 fractional works · 5.4% of its workCardiology and Cardiovascular Medicine: 44 fractional works · 4.0% of its workRadiology, Nuclear Medicine and Imaging: 34 fractional works · 3.1% of its workOphthalmology: 32 fractional works · 2.9% of its workInfectious Diseases: 32 fractional works · 2.9% of its workPhysiology: 32 fractional works · 2.9% of its workOncology: 30 fractional works · 2.7% of its workNeurology: 28 fractional works · 2.5% of its workPublic Health, Environmental and Occupational Health: 26 fractional works · 2.4% of its workRheumatology: 26 fractional works · 2.4% of its workEndocrinology, Diabetes and Metabolism: 25 fractional works · 2.2% of its workPathology and Forensic Medicine: 23 fractional works · 2.1% of its workRehabilitation: 16 fractional works · 1.5% of its workPsychiatry and Mental health: 14 fractional works · 1.3% of its workEmergency Medicine: 14 fractional works · 1.3% of its workNephrology: 13 fractional works · 1.2% of its workGeriatrics and Gerontology: 12 fractional works · 1.1% of its workHepatology: 11 fractional works · 1.0% of its workOrthopedics and Sports Medicine: 11 fractional works · 1.0% of its workCritical Care and Intensive Care Medicine: 10 fractional works · 0.9% of its workPharmacology: 8 fractional works · 0.8% of its workHematology: 8 fractional works · 0.7% of its workDermatology: 8 fractional works · 0.7% of its workHealth Informatics: 7 fractional works · 0.7% of its workPediatrics, Perinatology and Child Health: 7 fractional works · 0.6% of its workGenetics: 7 fractional works · 0.6% of its workGastroenterology: 7 fractional works · 0.6% of its workOtorhinolaryngology: 5 fractional works · 0.5% of its workObstetrics and Gynecology: 4 fractional works · 0.4% of its workInternal Medicine: 4 fractional works · 0.3% of its workAnesthesiology and Pain Medicine: 4 fractional works · 0.3% of its workComplementary and alternative medicine: 3 fractional works · 0.3% of its workFamily Practice: 3 fractional works · 0.2% of its workUrology: 3 fractional works · 0.2% of its workReproductive Medicine: 2 fractional works · 0.2% of its workHealth Professions: 53 fractional works · 4.8% of its workGeneral Health Professions: 23 fractional works · 2.1% of its workEmergency Medical Services: 9 fractional works · 0.8% of its workOccupational Therapy: 6 fractional works · 0.5% of its workPhysical Therapy, Sports Therapy and Rehabilitation: 4 fractional works · 0.4% of its workSpeech and Hearing: 4 fractional works · 0.3% of its workHealth Information Management: 3 fractional works · 0.3% of its workPharmacy: 3 fractional works · 0.2% of its workSmaller subfields together: 2 fractional works · 0.2% of its workNursing: 8 fractional works · 0.7% of its workNutrition and Dietetics: 5 fractional works · 0.5% of its workSmaller subfields together: 2 fractional works · 0.2% of its workDentistry: 4 fractional works · 0.4% of its workOral Surgery: 3 fractional works · 0.3% of its workSmaller subfields together: 1 fractional works · 0.1% of its workVeterinary: 1 fractional works · 0.1% of its workLife Sciences: 106 fractional works · 9.5% of its workBiochemistry, Genetics and Molecular Biology: 64 fractional works · 5.7% of its workMolecular Biology: 22 fractional works · 2.0% of its workGenetics: 13 fractional works · 1.2% of its workCancer Research: 8 fractional works · 0.8% of its workClinical Biochemistry: 6 fractional works · 0.6% of its workMolecular Medicine: 4 fractional works · 0.3% of its workBiotechnology: 3 fractional works · 0.3% of its workCell Biology: 3 fractional works · 0.2% of its workSmaller subfields together: 4 fractional works · 0.4% of its workImmunology and Microbiology: 21 fractional works · 1.9% of its workImmunology: 12 fractional works · 1.0% of its workApplied Microbiology and Biotechnology: 4 fractional works · 0.4% of its workMicrobiology: 3 fractional works · 0.2% of its workSmaller subfields together: 3 fractional works · 0.2% of its workNeuroscience: 16 fractional works · 1.4% of its workCognitive Neuroscience: 6 fractional works · 0.6% of its workNeurology: 5 fractional works · 0.4% of its workSmaller subfields together: 5 fractional works · 0.4% of its workAgricultural and Biological Sciences: 3 fractional works · 0.3% of its workPharmacology, Toxicology and Pharmaceutics: 3 fractional works · 0.2% of its workPhysical Sciences: 54 fractional works · 4.9% of its workEngineering: 30 fractional works · 2.7% of its workBiomedical Engineering: 25 fractional works · 2.2% of its workSmaller subfields together: 5 fractional works · 0.5% of its workComputer Science: 14 fractional works · 1.2% of its workArtificial Intelligence: 7 fractional works · 0.7% of its workSmaller subfields together: 6 fractional works · 0.6% of its workEnvironmental Science: 3 fractional works · 0.3% of its workMathematics: 3 fractional works · 0.3% of its workModeling and Simulation: 2 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.0% of its workMaterials Science: 2 fractional works · 0.2% of its workChemistry: 1 fractional works · 0.1% of its workPhysics and Astronomy: 1 fractional works · 0.1% of its workChemical Engineering: 1 fractional works · 0.0% of its workEarth and Planetary Sciences: 0 fractional works · 0.0% of its workSocial Sciences: 50 fractional works · 4.5% of its workPsychology: 20 fractional works · 1.8% of its workClinical Psychology: 8 fractional works · 0.8% of its workDevelopmental and Educational Psychology: 3 fractional works · 0.3% of its workSocial Psychology: 3 fractional works · 0.3% of its workSmaller subfields together: 4 fractional works · 0.4% of its workSocial Sciences: 18 fractional works · 1.6% of its workSociology and Political Science: 7 fractional works · 0.6% of its workHealth: 3 fractional works · 0.3% of its workEducation: 3 fractional works · 0.2% of its workSmaller subfields together: 5 fractional works · 0.4% of its workEconomics, Econometrics and Finance: 9 fractional works · 0.8% of its workEconomics and Econometrics: 8 fractional works · 0.7% of its workSmaller subfields together: 1 fractional works · 0.1% of its workBusiness, Management and Accounting: 2 fractional works · 0.2% of its workArts and Humanities: 1 fractional works · 0.1% of its workDecision Sciences: 1 fractional works · 0.1% of its workALL ITS WORKTan Tock SengHospital1,107fractional works, 2022-now
Life Sciences10%Physical Sciences5%Health Sciences81%Social Sciences5%

Each ring splits the one inside it: the four domains of science, their fields, their subfields. Size is fractional works in 2022-now. Every slice is a page; the interactive view zooms down to single topics and colours each by how much more of it this institution does than the world.

Its 4 domains and 26 fields, with their numbers
    1. Medicine83175.1%
    2. Health Professions534.8%
    3. Nursing80.7%
    4. Dentistry40.4%
    5. Veterinary10.1%
    1. Biochemistry, Genetics and Molecular Biology645.7%
    2. Immunology and Microbiology211.9%
    3. Neuroscience161.4%
    4. Agricultural and Biological Sciences30.3%
    5. Pharmacology, Toxicology and Pharmaceutics30.2%
    1. Engineering302.7%
    2. Computer Science141.2%
    3. Environmental Science30.3%
    4. Mathematics30.3%
    5. Materials Science20.2%
    6. Chemistry10.1%
    7. Physics and Astronomy10.1%
    8. Chemical Engineering10.0%
    9. Earth and Planetary Sciences00.0%
    10. Energy00.0%
    1. Psychology201.8%
    2. Social Sciences181.6%
    3. Economics, Econometrics and Finance90.8%
    4. Business, Management and Accounting20.2%
    5. Arts and Humanities10.1%
    6. Decision Sciences10.1%
All of science, and how each field's share has moved since 1950: the Science domain explorer

What does Tan Tock Seng Hospital specialise in?

Where its research is concentrated relative to its size: Ophthalmology takes 11.0× the share of its output that it takes of world research.

  1. OphthalmologySubfield · 32.5 works11×
  2. SurgerySubfield · 173.7 works6.7×
← 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: 0.05× its world share, 3 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.08× its world share, 64 worksBiochemistry, Geneti…Immunology and Microbiology: 1.89× its world share, 21 worksImmunology and Micro…Neuroscience: 0.87× its world share, 16 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.69× its world share, 3 worksPharmacology, Toxico…Chemical Engineering: 0.14× its world share, 0 worksChemical EngineeringChemistry: 0.08× its world share, 1 worksChemistryComputer Science: 0.16× its world share, 14 worksComputer ScienceEarth and Planetary Sciences: 0.02× its world share, 0 worksEarth and Planetary …Engineering: 0.18× its world share, 30 worksEngineeringEnvironmental Science: 0.06× its world share, 3 worksEnvironmental ScienceMaterials Science: 0.05× its world share, 2 worksMaterials ScienceMathematics: 0.22× its world share, 3 worksMathematicsPhysics and Astronomy: 0.03× its world share, 1 worksPhysics and AstronomyDentistry: 0.79× its world share, 4 worksDentistryHealth Professions: 1.82× its world share, 53 worksHealth ProfessionsMedicine: 3.91× its world share, 831 worksMedicineNursing: 1.40× its world share, 8 worksNursingVeterinary: 0.53× its world share, 1 worksVeterinaryArts and Humanities: 0.03× its world share, 1 worksArts and HumanitiesBusiness, Management and Accounting: 0.06× its world share, 2 worksBusiness, Management…Decision Sciences: 0.10× its world share, 1 worksDecision SciencesEconomics, Econometrics and Finance: 0.37× its world share, 9 worksEconomics, Econometr…Psychology: 0.58× its world share, 20 worksPsychologySocial Sciences: 0.13× its world share, 18 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.

All 25 fields, with their numbers
  1. Medicine3.91×831 works
  2. Immunology and Microbiology1.89×21 works
  3. Health Professions1.82×53 works
  4. Nursing1.40×8 works
  5. Biochemistry, Genetics and Molecular Biology1.08×64 works
  6. Neuroscience0.87×16 works
  7. Dentistry0.79×4 works
  8. Pharmacology, Toxicology and Pharmaceutics0.69×3 works
  9. Psychology0.58×20 works
  10. Veterinary0.53×1 works
  11. Economics, Econometrics and Finance0.37×9 works
  12. Mathematics0.22×3 works
  13. Engineering0.18×30 works
  14. Computer Science0.16×14 works
  15. Chemical Engineering0.14×0 works
  16. Social Sciences0.13×18 works
  17. Decision Sciences0.10×1 works
  18. Chemistry0.08×1 works
  19. Environmental Science0.06×3 works
  20. Business, Management and Accounting0.06×2 works
  21. Agricultural and Biological Sciences0.05×3 works
  22. Materials Science0.05×2 works
  23. Physics and Astronomy0.03×1 works
  24. Arts and Humanities0.03×1 works
  25. Earth and Planetary Sciences0.02×0 works

Who are the top researchers at Tan Tock Seng Hospital?

Ranked on the quality score, David Chien Lye, Yee‐Sin Leo and Bernard P. L. Leung lead among researchers whose main affiliation is Tan Tock Seng Hospital.

  1. 1 David Chien Lye Singapore · #46,620 worldwide 46k citations · 588 works
  2. 2 Yee‐Sin Leo Singapore · #65,971 worldwide 34k citations · 491 works
  3. 3 Bernard P. L. Leung Singapore · #187,312 worldwide 11k citations · 125 works
  4. 4 Kalisvar Marimuthu Singapore · #189,291 worldwide 12k citations · 151 works
  5. 5 Timothy Barkham Singapore · #196,174 worldwide 7.7k citations · 145 works
  6. 6 Tau Hong Lee Singapore · #263,283 worldwide 5.7k citations · 66 works
  7. 7 Rupesh V. Agrawal Singapore · #341,389 worldwide 15k citations · 536 works
  8. 8 Partha Pratim De Singapore · #349,205 worldwide 3.9k citations · 79 works
  9. 9 Augustinus Laude Singapore · #395,747 worldwide 4k citations · 108 works
  10. 10 Tock Han Lim Singapore · #409,579 worldwide 3.8k citations · 100 works
All ranked researchers at Tan Tock Seng Hospital

What are the most cited papers from Tan Tock Seng Hospital?

The most cited paper from Tan Tock Seng Hospital is "Asian Working Group for Sarcopenia: 2019 Consensus Update on Sarcopenia Diagnosis and Treatment" (Liang‐Kung Chen et al., 2020), with 7,159 citations. Next come "Global Prevalence of Helicobacter pylori Infection: Systematic Review and Meta-Analysis" (3,471) and "Epidemiologic Features and Clinical Course of Patients Infected With SARS-CoV-2 in Singapore" (2,225).

Most cited papers
#PaperReleasedCitations
1 Asian Working Group for Sarcopenia: 2019 Consensus Update on Sarcopenia Diagnosis and Treatment Liang‐Kung Chen et al. · Journal of the American Medical Directors Association Open access 4 Feb 2020 7,159
2 Global Prevalence of Helicobacter pylori Infection: Systematic Review and Meta-Analysis Jurenne D. Hooi, Wan Ying Lai, Wee Khoon Ng et al. · Gastroenterology ReviewOpen access 27 Apr 2017 3,471
3 Epidemiologic Features and Clinical Course of Patients Infected With SARS-CoV-2 in Singapore Barnaby Edward Young et al. · JAMA Open access 3 Mar 2020 2,225
4 Intensive care management of coronavirus disease 2019 (COVID-19): challenges and recommendations Jason Phua, Li Weng, Lowell Ling et al. · The Lancet Respiratory Medicine Open access 6 Apr 2020 1,580
5 Studies in humanized mice and convalescent humans yield a SARS-CoV-2 antibody cocktail Johanna K. Hansen et al. · Science Open access 15 Jun 2020 1,436
All 60 most cited papers, with filters and sorting

Which keywords describe research at Tan Tock Seng Hospital?

By fractional works in 2022-now, 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-now 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. Epidemiology160▲ 3.6×120 topics
  2. Inflammation71▲ 3.0×65 topics
  3. Treatment61▲ 4.5×45 topics
  4. Diagnosis56▲ 5.4×38 topics
  5. Management46▲ 5.2×28 topics
  6. Quality of Life45▲ 2.8×47 topics
  7. Clinical Practice Guidelines37▲ 6.0×14 topics
  8. Risk Factors36▲ 3.0×29 topics
  9. Complications36▲ 6.5×17 topics
  10. Surgical Management30▲ 6.8×20 topics
  11. Mortality30▲ 4.8×12 topics
  12. Aging27▲ 4.5×14 topics
  13. Guidelines27▲ 5.2×12 topics
  14. Rehabilitation27▲ 6.1×12 topics
  15. Cardiovascular Disease27▲ 2.1×31 topics
  16. Chemotherapy25▲ 3.2×21 topics
  17. Prognostic Factors23▲ 4.7×14 topics
  18. Atherosclerosis22▲ 7.0×8 topics
  19. Prognosis22▲ 5.9×9 topics
  20. Immune Response21▲ 3.3×20 topics
  21. Radiotherapy21▲ 4.8×13 topics
  22. Diabetes20▲ 3.6×13 topics
  23. Surgery20▲ 5.1×11 topics
  24. Prevention20▲ 4.2×16 topics
  25. Biomechanics20▲ 5.8×8 topics
  26. Patient Satisfaction19▲ 5.5×9 topics
  27. Antibiotic Resistance19▲ 4.3×13 topics
  28. Elderly Patients18▲ 9.8×4 topics
  29. Revision Surgery17▲ 12×2 topics
  30. Total Hip Replacement17▲ 12×2 topics
  31. Percutaneous Coronary Intervention17▲ 12×4 topics
  32. SARS-CoV-217▲ 5.1×6 topics
  33. Autoantibodies17▲ 6.4×8 topics
  34. Functional Recovery17▲ 9.9×4 topics
  35. Critical Care16▲ 6.0×8 topics
  36. Glaucoma16▲ 9.7×4 topics
  37. Medical Education16▲ 5.3×11 topics
  38. ACE2 Receptor16▲ 6.3×3 topics
  39. Surgical Treatment14▲ 6.6×6 topics
  40. Physical Performance13▲ 12×2 topics

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

By volume in 2022-now: Total Knee Arthroplasty Outcomes, Frailty in Older Adults, Coronary Interventions and Diagnostics and Palliative Care and End-of-Life Issues.

Total Knee Arthroplasty …10Total Knee Arthroplasty Outcomes: 10 fractional worksFrailty in Older Adults10Frailty in Older Adults: 10 fractional worksCoronary Interventions and Diagnostics: 10 fractional worksPalliative Care and End-…9Palliative Care and End-of-Life Issues: 9 fractional worksNutrition and Health in …9Nutrition and Health in Aging: 9 fractional worksStroke Rehabilitation and Recovery: 8 fractional worksArtificial Intelligence in Healthcare and Education: 8 fractional worksOrthopaedic implants and…7Orthopaedic implants and arthroplasty: 7 fractional worksGlaucoma and retinal disorders: 7 fractional worksOrthopedic Surgery and Rehabilitation: 7 fractional works
SurgeryGeriatrics and GerontologyPublic Health, Environmental and Occupational HealthPhysiology3 others

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

  1. 1 Total Knee Arthroplasty Outcomes Surgery 10 works
  2. 2 Frailty in Older Adults Geriatrics and Gerontology 10 works
  3. 3 Coronary Interventions and Diagnostics Surgery 10 works
  4. 4 Palliative Care and End-of-Life Issues Public Health, Environmental and Occupational Health 9 works
  5. 5 Nutrition and Health in Aging Physiology 9 works
  6. 6 Stroke Rehabilitation and Recovery Rehabilitation 8 works
  7. 7 Artificial Intelligence in Healthcare and Education Health Informatics 8 works
  8. 8 Orthopaedic implants and arthroplasty Surgery 7 works
  9. 9 Glaucoma and retinal disorders Ophthalmology 7 works
  10. 10 Orthopedic Surgery and Rehabilitation Surgery 7 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: 40% of research is openly available.

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

World: 18% is written across borders.

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

Output in 2022-2025 was 11% lower than in 2018-2021.

still counting1990200020102020
grewheldshrank

The same series as a ribbon: one cell per year, darker for more. The line above answers how much; this answers when.

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Tan Tock Seng Hospital as a percentage of every work published that year, 0.0040% in 2024.

still counting0.0025%0.0050%0.0075%Tan Tock Seng Hospital0.0044% in 202519801990200020102020

Fractional works of Tan Tock Seng Hospital over all fractional works that year. How the balance of science has shifted.

How much of it reaches the world top 10%

Year by year, against all institutions in the same year.

still counting5%10%15%all institutions10.0% in 2025Tan Tock Seng Hospital9.2% in 2025200020102020

Of each year's output, the share that reached the world's 10% most cited for its field and year. Peak 10.6% in 2017.

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Tan Tock Seng Hospital on Science Explorer

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