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Government institution · Hong Kong · China

Hospital Authority

In research, Hospital Authority stands highest in Health Sciences (#2,297 of 9,902 worldwide) and Medicine (#2,078 of 8,541 worldwide), 2022-now.

ha.org.hk/visitor/ha_index.asp?Content_ID=0&Lang=ENG&Dimension=100&Ver=HTMLROR OpenAlex
World rank, 2022-now
#9,168
of 22,385 · #5,794 all time
Rank in China
#1,193
of 2,481
Research works
1k
▲ 10% vs 2018-21
Citations
23k
22.2 per fractional work
Top-10% rate
8.9%
all institutions 10.0%
vs its own fields
0.98×
1.00× is exactly expected
Open access
49%
world 40%
International
49%
world 18%
Hospital Authority

What is Hospital Authority 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 #2,297 of 9,902 9.1%140 #2170
MedicineField #2,078 of 8,541 9.5%123 #2115

Each strip is that field's whole ranked pool, with the notch where Hospital Authority 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 fields of science does Hospital Authority work in?

In 2022-now, 69% of research at Hospital Authority is in Health Sciences, 15% in Social Sciences. Its largest fields are Medicine (60%), Health Professions (8%), Psychology (6%). It does 2.9× the world's share of Health Sciences.

Health Sciences: 161 fractional works · 69.2% of its workMedicine: 139 fractional works · 60.1% of its workSurgery: 12 fractional works · 5.1% of its workEndocrinology, Diabetes and Metabolism: 11 fractional works · 4.8% of its workPulmonary and Respiratory Medicine: 11 fractional works · 4.7% of its workEpidemiology: 10 fractional works · 4.4% of its workPublic Health, Environmental and Occupational Health: 9 fractional works · 4.0% of its workPhysiology: 8 fractional works · 3.4% of its workCardiology and Cardiovascular Medicine: 8 fractional works · 3.2% of its workOncology: 6 fractional works · 2.8% of its workRadiology, Nuclear Medicine and Imaging: 6 fractional works · 2.7% of its workInfectious Diseases: 5 fractional works · 2.3% of its workPsychiatry and Mental health: 5 fractional works · 2.1% of its workEmergency Medicine: 5 fractional works · 2.1% of its workRehabilitation: 4 fractional works · 1.8% of its workNeurology: 4 fractional works · 1.8% of its workOphthalmology: 3 fractional works · 1.5% of its workPharmacology: 3 fractional works · 1.5% of its workPediatrics, Perinatology and Child Health: 2 fractional works · 1.1% of its workGeriatrics and Gerontology: 2 fractional works · 1.0% of its workRheumatology: 2 fractional works · 1.0% of its workDermatology: 2 fractional works · 0.9% of its workCritical Care and Intensive Care Medicine: 2 fractional works · 0.9% of its workPathology and Forensic Medicine: 2 fractional works · 0.9% of its workComplementary and alternative medicine: 2 fractional works · 0.8% of its workObstetrics and Gynecology: 2 fractional works · 0.7% of its workHepatology: 1 fractional works · 0.6% of its workNephrology: 1 fractional works · 0.6% of its workOrthopedics and Sports Medicine: 1 fractional works · 0.5% of its workHealth Informatics: 1 fractional works · 0.5% of its workHematology: 1 fractional works · 0.5% of its workAnesthesiology and Pain Medicine: 1 fractional works · 0.4% of its workGenetics: 1 fractional works · 0.3% of its workUrology: 1 fractional works · 0.3% of its workFamily Practice: 1 fractional works · 0.2% of its workBiochemistry: 1 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.5% of its workHealth Professions: 19 fractional works · 8.0% of its workGeneral Health Professions: 10 fractional works · 4.5% of its workHealth Information Management: 2 fractional works · 1.0% of its workEmergency Medical Services: 1 fractional works · 0.6% of its workOccupational Therapy: 1 fractional works · 0.5% of its workPhysical Therapy, Sports Therapy and Rehabilitation: 1 fractional works · 0.4% of its workPharmacy: 1 fractional works · 0.4% of its workRadiological and Ultrasound Technology: 1 fractional works · 0.3% of its workSpeech and Hearing: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.2% of its workNursing: 2 fractional works · 0.7% of its workNutrition and Dietetics: 1 fractional works · 0.6% of its workSmaller subfields together: 0 fractional works · 0.1% of its workDentistry: 1 fractional works · 0.2% of its workVeterinary: 0 fractional works · 0.1% of its workSocial Sciences: 34 fractional works · 14.8% of its workPsychology: 15 fractional works · 6.5% of its workClinical Psychology: 8 fractional works · 3.4% of its workExperimental and Cognitive Psychology: 3 fractional works · 1.2% of its workSocial Psychology: 3 fractional works · 1.1% of its workApplied Psychology: 1 fractional works · 0.5% of its workDevelopmental and Educational Psychology: 0 fractional works · 0.2% of its workSocial Sciences: 8 fractional works · 3.4% of its workSociology and Political Science: 3 fractional works · 1.5% of its workHealth: 1 fractional works · 0.6% of its workEducation: 1 fractional works · 0.6% of its workSmaller subfields together: 2 fractional works · 0.7% of its workEconomics, Econometrics and Finance: 5 fractional works · 2.3% of its workEconomics and Econometrics: 3 fractional works · 1.2% of its workFinance: 2 fractional works · 1.1% of its workSmaller subfields together: 0 fractional works · 0.0% of its workBusiness, Management and Accounting: 3 fractional works · 1.3% of its workManagement of Technology and Innovation: 1 fractional works · 0.5% of its workOrganizational Behavior and Human Resource Management: 1 fractional works · 0.3% of its workStrategy and Management: 0 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.2% of its workDecision Sciences: 2 fractional works · 0.9% of its workManagement Science and Operations Research: 1 fractional works · 0.5% of its workStatistics, Probability and Uncertainty: 1 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workArts and Humanities: 1 fractional works · 0.4% of its workMuseology: 1 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workLife Sciences: 22 fractional works · 9.6% of its workBiochemistry, Genetics and Molecular Biology: 11 fractional works · 4.9% of its workMolecular Biology: 5 fractional works · 2.2% of its workClinical Biochemistry: 2 fractional works · 0.7% of its workGenetics: 2 fractional works · 0.7% of its workCancer Research: 1 fractional works · 0.6% of its workMolecular Medicine: 1 fractional works · 0.3% of its workSmaller subfields together: 1 fractional works · 0.4% of its workNeuroscience: 4 fractional works · 1.9% of its workCognitive Neuroscience: 2 fractional works · 0.7% of its workNeurology: 1 fractional works · 0.5% of its workCellular and Molecular Neuroscience: 1 fractional works · 0.3% of its workSensory Systems: 1 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.2% of its workPharmacology, Toxicology and Pharmaceutics: 4 fractional works · 1.6% of its workPharmacology: 2 fractional works · 1.0% of its workToxicology: 1 fractional works · 0.5% of its workSmaller subfields together: 0 fractional works · 0.0% of its workImmunology and Microbiology: 2 fractional works · 0.7% of its workApplied Microbiology and Biotechnology: 1 fractional works · 0.3% of its workSmaller subfields together: 1 fractional works · 0.4% of its workAgricultural and Biological Sciences: 1 fractional works · 0.5% of its workPhysical Sciences: 15 fractional works · 6.4% of its workEngineering: 5 fractional works · 2.2% of its workBiomedical Engineering: 3 fractional works · 1.2% of its workSmaller subfields together: 2 fractional works · 1.0% of its workComputer Science: 5 fractional works · 2.0% of its workArtificial Intelligence: 2 fractional works · 1.0% of its workHuman-Computer Interaction: 1 fractional works · 0.4% of its workComputer Vision and Pattern Recognition: 1 fractional works · 0.3% of its workSmaller subfields together: 1 fractional works · 0.3% of its workMathematics: 2 fractional works · 0.9% of its workStatistics and Probability: 2 fractional works · 0.7% of its workSmaller subfields together: 0 fractional works · 0.2% of its workEnvironmental Science: 1 fractional works · 0.5% of its workEcology: 1 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.2% of its workEarth and Planetary Sciences: 1 fractional works · 0.4% of its workGeochemistry and Petrology: 1 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workPhysics and Astronomy: 1 fractional works · 0.3% of its workRadiation: 1 fractional works · 0.3% of its workChemistry: 0 fractional works · 0.2% of its workMaterials Science: 0 fractional works · 0.1% of its workEnergy: 0 fractional works · 0.0% of its workChemical Engineering: 0 fractional works · 0.0% of its workALL ITS WORKHospitalAuthority232fractional works, 2022-now
Life Sciences10%Physical Sciences6%Health Sciences69%Social Sciences15%

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. Medicine13960.1%
    2. Health Professions198.0%
    3. Nursing20.7%
    4. Dentistry10.2%
    5. Veterinary00.1%
    1. Psychology156.5%
    2. Social Sciences83.4%
    3. Economics, Econometrics and Finance52.3%
    4. Business, Management and Accounting31.3%
    5. Decision Sciences20.9%
    6. Arts and Humanities10.4%
    1. Biochemistry, Genetics and Molecular Biology114.9%
    2. Neuroscience41.9%
    3. Pharmacology, Toxicology and Pharmaceutics41.6%
    4. Immunology and Microbiology20.7%
    5. Agricultural and Biological Sciences10.5%
    1. Engineering52.2%
    2. Computer Science52.0%
    3. Mathematics20.9%
    4. Environmental Science10.5%
    5. Earth and Planetary Sciences10.4%
    6. Physics and Astronomy10.3%
    7. Chemistry00.2%
    8. Materials Science00.1%
    9. Energy00.0%
    10. Chemical Engineering00.0%
All of science, and how each field's share has moved since 1950: the Science domain explorer

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: 0.10× its world share, 1 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.92× its world share, 11 worksBiochemistry, Geneti…Immunology and Microbiology: 0.74× its world share, 2 worksImmunology and Micro…Neuroscience: 1.19× its world share, 4 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 4.49× its world share, 4 worksPharmacology, Toxico…Chemical Engineering: 0.10× its world share, 0 worksChemical EngineeringChemistry: 0.10× its world share, 0 worksChemistryComputer Science: 0.25× its world share, 5 worksComputer ScienceEarth and Planetary Sciences: 0.24× its world share, 1 worksEarth and Planetary …Energy: 0.05× its world share, 0 worksEnergyEngineering: 0.15× its world share, 5 worksEngineeringEnvironmental Science: 0.09× its world share, 1 worksEnvironmental ScienceMaterials Science: 0.02× its world share, 0 worksMaterials ScienceMathematics: 0.73× its world share, 2 worksMathematicsPhysics and Astronomy: 0.12× its world share, 1 worksPhysics and AstronomyDentistry: 0.49× its world share, 0 worksDentistryHealth Professions: 3.05× its world share, 19 worksHealth ProfessionsMedicine: 3.12× its world share, 140 worksMedicineNursing: 1.42× its world share, 2 worksNursingVeterinary: 1.06× its world share, 0 worksVeterinaryArts and Humanities: 0.14× its world share, 1 worksArts and HumanitiesBusiness, Management and Accounting: 0.40× its world share, 3 worksBusiness, Management…Decision Sciences: 0.90× its world share, 2 worksDecision SciencesEconomics, Econometrics and Finance: 1.09× its world share, 5 worksEconomics, Econometr…Psychology: 2.13× its world share, 15 worksPsychologySocial Sciences: 0.27× its world share, 8 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Pharmacology, Toxicology and Pharmaceutics, 4.5×. Every wedge is a field page.

All 26 fields, with their numbers
  1. Pharmacology, Toxicology and Pharmaceutics4.49×4 works
  2. Medicine3.12×140 works
  3. Health Professions3.05×19 works
  4. Psychology2.13×15 works
  5. Nursing1.42×2 works
  6. Neuroscience1.19×4 works
  7. Economics, Econometrics and Finance1.09×5 works
  8. Veterinary1.06×0 works
  9. Biochemistry, Genetics and Molecular Biology0.92×11 works
  10. Decision Sciences0.90×2 works
  11. Immunology and Microbiology0.74×2 works
  12. Mathematics0.73×2 works
  13. Dentistry0.49×0 works
  14. Business, Management and Accounting0.40×3 works
  15. Social Sciences0.27×8 works
  16. Computer Science0.25×5 works
  17. Earth and Planetary Sciences0.24×1 works
  18. Engineering0.15×5 works
  19. Arts and Humanities0.14×1 works
  20. Physics and Astronomy0.12×1 works
  21. Agricultural and Biological Sciences0.10×1 works
  22. Chemical Engineering0.10×0 works
  23. Chemistry0.10×0 works
  24. Environmental Science0.09×1 works
  25. Energy0.05×0 works
  26. Materials Science0.02×0 works

Who are the top researchers at Hospital Authority?

Ranked on the quality score, Vivien Wai‐Man Chuang, Vivian C. W. Wong and Bacon Fung Leung Ng lead among researchers whose main affiliation is Hospital Authority.

  1. 1 Vivien Wai‐Man Chuang China · #394,135 worldwide 2.4k citations · 20 works
  2. 2 Vivian C. W. Wong China · #942,520 worldwide 2.5k citations · 41 works
  3. 3 Bacon Fung Leung Ng China · #1,181,501 worldwide 2k citations · 89 works
  4. 4 Eric Tat-Chi Ziea China · #1,593,504 worldwide 996 citations · 31 works
  5. 5 Ip-wing Yu China · #1,795,010 worldwide 437 citations · 34 works
  6. 6 Tony Wing-Lai Mak China · #1,977,188 worldwide 632 citations · 17 works
  7. 7 Eric Tat Chi Ziea China · #1,992,257 worldwide 794 citations · 23 works
  8. 8 Chi-Sang Tam China · #2,049,635 worldwide 397 citations · 22 works
  9. 9 Maria Kwan Wa Leung China · #2,073,928 worldwide 591 citations · 57 works
  10. 10 Lillian Cheung China · #2,332,770 worldwide 230 citations · 24 works
All ranked researchers at Hospital Authority

What are the most cited papers from Hospital Authority?

The most cited paper from Hospital Authority is "Systems biological assessment of immunity to mild versus severe COVID-19 infection in humans" (Prabhu S. Arunachalam et al., 2020), with 1,354 citations. Next come "Transmission Dynamics of the Etiological Agent of SARS in Hong Kong: Impact of Public Health Interventions" (1,218) and "Trends in Opioid Analgesic Abuse and Mortality in the United States" (1,148).

Most cited papers
#PaperReleasedCitations
1 Systems biological assessment of immunity to mild versus severe COVID-19 infection in humans Prabhu S. Arunachalam et al. · Science Open access 11 Aug 2020 1,354
2 Transmission Dynamics of the Etiological Agent of SARS in Hong Kong: Impact of Public Health Interventions Steven Riley, Christophe Fraser, Christl Ann Donnelly et al. · Science 26 May 2003 1,218
3 Trends in Opioid Analgesic Abuse and Mortality in the United States Richard C. Dart, Hilary L. Surratt, Theodore J. Cicero et al. · New England Journal of Medicine Open access 14 Jan 2015 1,148
4 Role of ventilation in airborne transmission of infectious agents in the built environment ? a multidisciplinary systematic review Yuguo Li, GM Leung, Julian Wei-Tze Tang et al. · Indoor Air Review 25 Jan 2007 1,081
5 Epidemiological determinants of spread of causal agent of severe acute respiratory syndrome in Hong Kong Christl Ann Donnelly, Azra C. Ghani, GM Leung et al. · The Lancet Open access May 2003 985
All 60 most cited papers, with filters and sorting

Which keywords describe research at Hospital Authority?

By fractional works in 2022-now, weighted toward what it does more of than the world: Epidemiology, Depression, Primary Care, Mortality, COVID-19, Global Burden, Cardiovascular Disease and Surgery.

▲ 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. Epidemiology30▲ 3.2×80 topics
  2. Inflammation11▲ 2.2×33 topics
  3. Depression11▲ 5.3×15 topics
  4. COVID-1911▲ 3.5×15 topics
  5. Quality of Life10▲ 2.9×34 topics
  6. Cardiovascular Disease10▲ 3.7×20 topics
  7. Primary Care9▲ 10×12 topics
  8. Mortality9▲ 6.5×10 topics
  9. Treatment8▲ 3.0×27 topics
  10. Risk Factors8▲ 3.2×22 topics
  11. Global Burden8▲ 6.1×12 topics
  12. Public Health8▲ 2.2×22 topics
  13. Pandemic7▲ 3.2×5 topics
  14. Management7▲ 3.9×15 topics
  15. Diabetes7▲ 5.6×8 topics
  16. Complications6▲ 5.5×13 topics
  17. Surgery6▲ 7.7×8 topics
  18. Clinical Trials6▲ 3.8×14 topics
  19. Functional Recovery6▲ 17×4 topics
  20. Clinical Practice Guidelines6▲ 4.4×14 topics
  21. Anxiety6▲ 5.1×8 topics
  22. Glycemic Control6▲ 15×4 topics
  23. Metabolic Syndrome6▲ 2.9×14 topics
  24. Prognosis5▲ 6.9×7 topics
  25. Aging5▲ 4.2×9 topics
  26. Chronic Disease Management5▲ 11×5 topics
  27. Rehabilitation5▲ 5.4×10 topics
  28. Healthcare Workers5▲ 8.6×5 topics
  29. Clinical Guidelines5▲ 6.7×8 topics
  30. Neural Plasticity4▲ 9.6×4 topics
  31. Quality Improvement4▲ 9.2×6 topics
  32. Critical Care4▲ 6.8×7 topics
  33. Elderly Patients4▲ 9.1×4 topics
  34. Stroke4▲ 8.8×6 topics
  35. Behavior Change4▲ 10×4 topics
  36. Cancer Cachexia4▲ 17×1 topic
  37. Constraint-Induced Therapy4▲ 19×1 topic
  38. Motor Recovery4▲ 19×1 topic
  39. Sarcopenia4▲ 17×1 topic
  40. Global Prevalence3▲ 15×2 topics

Which research topics does Hospital Authority publish most on?

By volume in 2022-now: Nutrition and Health in Aging, Stroke Rehabilitation and Recovery, COVID-19 and healthcare impacts and Diabetes, Cardiovascular Risks, and Lipoproteins.

Nutrition and Health in …4Nutrition and Health in Aging: 4 fractional worksStroke Rehabilitation an…4Stroke Rehabilitation and Recovery: 4 fractional worksCOVID-19 and healthcare …2COVID-19 and healthcare impacts: 2 fractional worksDiabetes, Cardiovascular…2Diabetes, Cardiovascular Risks, and Lipoproteins: 2 fractional worksDiabetes Management and Education: 2 fractional worksCOVID-19 and Mental Health: 2 fractional worksPoisoning and overdose t…2Poisoning and overdose treatments: 2 fractional worksMobile Health and mHealth Applications: 2 fractional worksHip and Femur Fractures: 2 fractional worksOpioid Use Disorder Trea…2Opioid Use Disorder Treatment: 2 fractional works
PhysiologyRehabilitationOncologyEndocrinology, Diabetes and Metabolism5 others

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

  1. 1 Nutrition and Health in Aging Physiology 4 works
  2. 2 Stroke Rehabilitation and Recovery Rehabilitation 4 works
  3. 3 COVID-19 and healthcare impacts Oncology 2 works
  4. 4 Diabetes, Cardiovascular Risks, and Lipoproteins Endocrinology, Diabetes and Metabolism 2 works
  5. 5 Diabetes Management and Education Endocrinology, Diabetes and Metabolism 2 works
  6. 6 COVID-19 and Mental Health Clinical Psychology 2 works
  7. 7 Poisoning and overdose treatments Emergency Medicine 2 works
  8. 8 Mobile Health and mHealth Applications General Health Professions 2 works
  9. 9 Hip and Femur Fractures Surgery 2 works
  10. 10 Opioid Use Disorder Treatment Public Health, Environmental and Occupational Health 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 available49.3%not open50.7%

World: 40% of research is openly available.

with international co-authors48.8%domestic only51.2%

World: 18% is written across borders.

How has Hospital Authority's research output changed?

Output in 2022-2025 was 10% higher 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 Hospital Authority as a percentage of every work published that year, 0.00086% in 2024.

still counting0.0010%0.0020%Hospital Authority0.0011% in 202519801990200020102020

Fractional works of Hospital Authority 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 counting10%20%all institutions10.0% in 2025Hospital Authority9.8% in 202520102020

Of each year's output, the share that reached the world's 10% most cited for its field and year. Peak 17.6% in 2017.

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Hospital Authority on Science Explorer

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