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Hospital / health system · Kolkata · India

Apollo Gleneagles Hospitals

In research, Apollo Gleneagles Hospitals stands highest in Medicine (#6,758 of 8,541 worldwide) and Health Sciences (#8,258 of 9,902 worldwide), 2022-now.

kolkata.apollohospitals.comROR OpenAlex
World rank, 2022-now
#20,631
of 22,385 · #29,984 all time
Rank in India
#1,454
of 1,562
Research works
577
▼ 42% vs 2018-21
Citations
4k
7.0 per fractional work
Top-10% rate
4.4%
all institutions 10.0%
vs its own fields
0.88×
1.00× is exactly expected
Open access
61%
world 40%
International
14%
world 18%
Apollo Gleneagles Hospitals

What is Apollo Gleneagles Hospitals 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
MedicineField #6,758 of 8,541 3.3%85 #11386
Health SciencesDomain #8,258 of 9,902 3.4%89 #13754

Each strip is that field's whole ranked pool, with the notch where Apollo Gleneagles Hospitals 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 Apollo Gleneagles Hospitals work in?

In 2022-now, 81% of research at Apollo Gleneagles Hospitals is in Health Sciences, 7% in Life Sciences. Its largest fields are Medicine (78%), Biochemistry, Genetics and Molecular Biology (3%), Psychology (2%). It does 3.3× the world's share of Health Sciences.

Health Sciences: 106 fractional works · 81.4% of its workMedicine: 101 fractional works · 78.1% of its workSurgery: 19 fractional works · 15.0% of its workEpidemiology: 10 fractional works · 7.8% of its workPulmonary and Respiratory Medicine: 8 fractional works · 6.5% of its workHepatology: 6 fractional works · 4.8% of its workCardiology and Cardiovascular Medicine: 5 fractional works · 3.6% of its workEndocrinology, Diabetes and Metabolism: 4 fractional works · 3.3% of its workInfectious Diseases: 3 fractional works · 2.6% of its workOncology: 3 fractional works · 2.6% of its workRadiology, Nuclear Medicine and Imaging: 3 fractional works · 2.4% of its workNeurology: 3 fractional works · 2.4% of its workPhysiology: 3 fractional works · 2.3% of its workPublic Health, Environmental and Occupational Health: 3 fractional works · 2.1% of its workHematology: 3 fractional works · 2.0% of its workPsychiatry and Mental health: 2 fractional works · 1.7% of its workGenetics: 2 fractional works · 1.7% of its workRehabilitation: 2 fractional works · 1.6% of its workHealth Informatics: 2 fractional works · 1.5% of its workRheumatology: 2 fractional works · 1.5% of its workNephrology: 2 fractional works · 1.2% of its workPathology and Forensic Medicine: 2 fractional works · 1.2% of its workCritical Care and Intensive Care Medicine: 1 fractional works · 1.1% of its workDermatology: 1 fractional works · 1.0% of its workEmergency Medicine: 1 fractional works · 0.9% of its workOphthalmology: 1 fractional works · 0.9% of its workBiochemistry: 1 fractional works · 0.8% of its workPharmacology: 1 fractional works · 0.6% of its workImmunology and Allergy: 1 fractional works · 0.6% of its workInternal Medicine: 1 fractional works · 0.6% of its workTransplantation: 1 fractional works · 0.5% of its workObstetrics and Gynecology: 1 fractional works · 0.5% of its workPediatrics, Perinatology and Child Health: 1 fractional works · 0.5% of its workOrthopedics and Sports Medicine: 0 fractional works · 0.4% of its workUrology: 0 fractional works · 0.3% of its workGeriatrics and Gerontology: 0 fractional works · 0.3% of its workOtorhinolaryngology: 0 fractional works · 0.3% of its workReproductive Medicine: 0 fractional works · 0.3% of its workGastroenterology: 0 fractional works · 0.2% of its workHealth Professions: 2 fractional works · 1.7% of its workGeneral Health Professions: 1 fractional works · 0.6% of its workHealth Information Management: 0 fractional works · 0.3% of its workEmergency Medical Services: 0 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.5% of its workNursing: 1 fractional works · 1.1% of its workNutrition and Dietetics: 1 fractional works · 1.1% of its workVeterinary: 0 fractional works · 0.4% of its workSmall Animals: 0 fractional works · 0.4% of its workDentistry: 0 fractional works · 0.2% of its workLife Sciences: 10 fractional works · 7.5% of its workBiochemistry, Genetics and Molecular Biology: 4 fractional works · 2.9% of its workMolecular Biology: 1 fractional works · 1.0% of its workGenetics: 1 fractional works · 0.8% of its workCancer Research: 1 fractional works · 0.4% of its workSmaller subfields together: 1 fractional works · 0.6% of its workImmunology and Microbiology: 2 fractional works · 1.8% of its workImmunology: 2 fractional works · 1.5% of its workParasitology: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workPharmacology, Toxicology and Pharmaceutics: 1 fractional works · 1.1% of its workPharmacology: 1 fractional works · 0.8% of its workToxicology: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workNeuroscience: 1 fractional works · 1.0% of its workCognitive Neuroscience: 1 fractional works · 0.5% of its workNeurology: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.3% of its workAgricultural and Biological Sciences: 1 fractional works · 0.6% of its workPlant Science: 1 fractional works · 0.6% of its workSmaller subfields together: 0 fractional works · 0.1% of its workSocial Sciences: 8 fractional works · 5.8% of its workPsychology: 3 fractional works · 2.0% of its workClinical Psychology: 2 fractional works · 1.4% of its workSocial Psychology: 0 fractional works · 0.4% of its workExperimental and Cognitive Psychology: 0 fractional works · 0.2% of its workSocial Sciences: 2 fractional works · 1.6% of its workSociology and Political Science: 1 fractional works · 0.8% of its workHealth: 0 fractional works · 0.3% of its workGender Studies: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.2% of its workBusiness, Management and Accounting: 2 fractional works · 1.2% of its workManagement of Technology and Innovation: 1 fractional works · 1.0% of its workStrategy and Management: 0 fractional works · 0.3% of its workEconomics, Econometrics and Finance: 1 fractional works · 0.7% of its workEconomics and Econometrics: 1 fractional works · 0.7% of its workArts and Humanities: 0 fractional works · 0.3% of its workPhilosophy: 0 fractional works · 0.3% of its workDecision Sciences: 0 fractional works · 0.0% of its workPhysical Sciences: 7 fractional works · 5.3% of its workComputer Science: 2 fractional works · 1.4% of its workArtificial Intelligence: 1 fractional works · 1.0% of its workComputer Vision and Pattern Recognition: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.2% of its workPhysics and Astronomy: 2 fractional works · 1.2% of its workRadiation: 2 fractional works · 1.2% of its workEngineering: 1 fractional works · 1.1% of its workBiomedical Engineering: 1 fractional works · 0.8% of its workMechanical Engineering: 0 fractional works · 0.3% of its workEnvironmental Science: 1 fractional works · 1.1% of its workHealth, Toxicology and Mutagenesis: 0 fractional works · 0.3% of its workManagement, Monitoring, Policy and Law: 0 fractional works · 0.3% of its workGlobal and Planetary Change: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.3% of its workEarth and Planetary Sciences: 0 fractional works · 0.3% of its workAtmospheric Science: 0 fractional works · 0.3% of its workMaterials Science: 0 fractional works · 0.2% of its workMaterials Chemistry: 0 fractional works · 0.2% of its workMathematics: 0 fractional works · 0.1% of its workChemistry: 0 fractional works · 0.0% of its workALL ITS WORKApollo GleneaglesHospitals130fractional works, 2022-now
Life Sciences7%Physical Sciences5%Health Sciences81%Social Sciences6%

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 24 fields, with their numbers
    1. Medicine10178.1%
    2. Health Professions21.7%
    3. Nursing11.1%
    4. Veterinary00.4%
    5. Dentistry00.2%
    1. Biochemistry, Genetics and Molecular Biology42.9%
    2. Immunology and Microbiology21.8%
    3. Pharmacology, Toxicology and Pharmaceutics11.1%
    4. Neuroscience11.0%
    5. Agricultural and Biological Sciences10.6%
    1. Psychology32.0%
    2. Social Sciences21.6%
    3. Business, Management and Accounting21.2%
    4. Economics, Econometrics and Finance10.7%
    5. Arts and Humanities00.3%
    6. Decision Sciences00.0%
    1. Computer Science21.4%
    2. Physics and Astronomy21.2%
    3. Engineering11.1%
    4. Environmental Science11.1%
    5. Earth and Planetary Sciences00.3%
    6. Materials Science00.2%
    7. Mathematics00.1%
    8. Chemistry00.0%
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: 0.13× its world share, 1 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.54× its world share, 4 worksBiochemistry, Geneti…Immunology and Microbiology: 1.78× its world share, 2 worksImmunology and Micro…Neuroscience: 0.63× its world share, 1 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 3.26× its world share, 2 worksPharmacology, Toxico…Chemistry: 0.02× its world share, 0 worksChemistryComputer Science: 0.18× its world share, 2 worksComputer ScienceEarth and Planetary Sciences: 0.16× its world share, 0 worksEarth and Planetary …Engineering: 0.07× its world share, 1 worksEngineeringEnvironmental Science: 0.21× its world share, 1 worksEnvironmental ScienceMaterials Science: 0.06× its world share, 0 worksMaterials ScienceMathematics: 0.08× its world share, 0 worksMathematicsPhysics and Astronomy: 0.52× its world share, 2 worksPhysics and AstronomyDentistry: 0.39× its world share, 0 worksDentistryHealth Professions: 0.66× its world share, 2 worksHealth ProfessionsMedicine: 4.06× its world share, 101 worksMedicineNursing: 2.15× its world share, 1 worksNursingVeterinary: 2.83× its world share, 0 worksVeterinaryArts and Humanities: 0.09× its world share, 0 worksArts and HumanitiesBusiness, Management and Accounting: 0.38× its world share, 2 worksBusiness, Management…Decision Sciences: 0.05× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.31× its world share, 1 worksEconomics, Econometr…Psychology: 0.66× its world share, 3 worksPsychologySocial Sciences: 0.12× its world share, 2 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Medicine, 4.1×. Every wedge is a field page.

All 24 fields, with their numbers
  1. Medicine4.06×101 works
  2. Pharmacology, Toxicology and Pharmaceutics3.26×2 works
  3. Veterinary2.83×0 works
  4. Nursing2.15×1 works
  5. Immunology and Microbiology1.78×2 works
  6. Health Professions0.66×2 works
  7. Psychology0.66×3 works
  8. Neuroscience0.63×1 works
  9. Biochemistry, Genetics and Molecular Biology0.54×4 works
  10. Physics and Astronomy0.52×2 works
  11. Dentistry0.39×0 works
  12. Business, Management and Accounting0.38×2 works
  13. Economics, Econometrics and Finance0.31×1 works
  14. Environmental Science0.21×1 works
  15. Computer Science0.18×2 works
  16. Earth and Planetary Sciences0.16×0 works
  17. Agricultural and Biological Sciences0.13×1 works
  18. Social Sciences0.12×2 works
  19. Arts and Humanities0.09×0 works
  20. Mathematics0.08×0 works
  21. Engineering0.07×1 works
  22. Materials Science0.06×0 works
  23. Decision Sciences0.05×0 works
  24. Chemistry0.02×0 works

Who are the top researchers at Apollo Gleneagles Hospitals?

Ranked on the quality score, Anjan Bhattacharya, Abhishek Bal and Bikas Bhattacharyya lead among researchers whose main affiliation is Apollo Gleneagles Hospitals.

  1. 1 Anjan Bhattacharya India · #2,673,791 worldwide 296 citations · 43 works
  2. 2 Abhishek Bal India · #3,107,963 worldwide 232 citations · 17 works
  3. 3 Bikas Bhattacharyya India · #3,239,429 worldwide 14 citations · 73 works
  4. 4 Mahesh Kumar Goenka India · #3,380,064 worldwide 2.9k citations · 227 works
  5. 5 Sumita Chatterjee India · #3,532,081 worldwide 270 citations · 17 works
  6. 6 Subir Ray India · #3,540,448 worldwide 206 citations · 16 works
  7. 7 Ujjwayini Ray India · #3,545,520 worldwide 3.8k citations · 39 works
  8. 8 Purushottam Chatterjee India · #3,859,657 worldwide 142 citations · 16 works
  9. 9 Jagat Jyoti Mukherjee India · #4,005,144 worldwide 2.7k citations · 115 works
  10. 10 Tanmoy Das India · #4,157,087 worldwide 569 citations · 28 works
All ranked researchers at Apollo Gleneagles Hospitals

What are the most cited papers from Apollo Gleneagles Hospitals?

The most cited paper from Apollo Gleneagles Hospitals is "Emergence of a new antibiotic resistance mechanism in India, Pakistan, and the UK: a molecular, biological, and epidemiological study" (Kanimozhi Kumarasamy et al., 2010), with 2,938 citations. Next come "Incidence, characteristics and outcome of ICU-acquired candidemia in India" (462) and "Side-effects of topical steroids: A long overdue revisit" (435).

Most cited papers
#PaperReleasedCitations
1 Emergence of a new antibiotic resistance mechanism in India, Pakistan, and the UK: a molecular, biological, and epidemiological study Kanimozhi Kumarasamy et al. · The Lancet Infectious Diseases Open access 11 Aug 2010 2,938
2 Incidence, characteristics and outcome of ICU-acquired candidemia in India Arunaloke Chakrabarti et al. · Intensive Care Medicine 15 Dec 2014 462
3 Side-effects of topical steroids: A long overdue revisit Arijit Coondoo, Meghana Madhukar Phiske, Shyam Bhanushankar Verma et al. · Indian Dermatology Online Journal Open access 2014 435
4 Hypoglycemia: The neglected complication Sanjay Kalra, Jagat Jyoti Mukherjee, Subramanium Venkataraman et al. · Indian Journal of Endocrinology and Metabolism Open access 29 Aug 2013 258
5 Cardiovascular Toxicities of Immune Checkpoint Inhibitors Somedeb Ball, Raktim Kumar Ghosh, Sariya Wongsaengsak et al. · Journal of the American College of Cardiology Open access 23 Sep 2019 223
All 61 most cited papers, with filters and sorting

Which keywords describe research at Apollo Gleneagles Hospitals?

By fractional works in 2022-now, weighted toward what it does more of than the world: Epidemiology, Diagnosis, Treatment, Coagulopathy, Hepatocellular Carcinoma, Management, Liver Transplantation and Clinical Practice Guidelines.

▲ 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. Epidemiology16▲ 3.1×66 topics
  2. Diagnosis8▲ 6.6×26 topics
  3. Treatment8▲ 4.8×26 topics
  4. Inflammation7▲ 2.5×32 topics
  5. Management6▲ 5.3×18 topics
  6. Cardiovascular Disease5▲ 3.5×20 topics
  7. Coagulopathy5▲ 47×2 topics
  8. Hepatocellular Carcinoma5▲ 19×3 topics
  9. Clinical Practice Guidelines5▲ 6.4×12 topics
  10. Liver Transplantation4▲ 28×4 topics
  11. Metabolic Syndrome4▲ 4.2×10 topics
  12. Chemotherapy4▲ 4.7×17 topics
  13. Insulin Resistance4▲ 7.1×7 topics
  14. Risk Factors4▲ 2.9×13 topics
  15. Immunotherapy4▲ 4.3×12 topics
  16. Hepatic Encephalopathy4▲ 56×1 topic
  17. Liver Cirrhosis4▲ 56×1 topic
  18. Complications4▲ 5.6×8 topics
  19. Guidelines4▲ 5.9×10 topics
  20. Mortality4▲ 4.8×10 topics
  21. Hepatic Steatosis3▲ 18×2 topics
  22. Graft Survival3▲ 30×2 topics
  23. Surgical Management3▲ 6.2×12 topics
  24. NAFLD3▲ 22×1 topic
  25. NASH3▲ 22×1 topic
  26. Diabetes3▲ 4.6×12 topics
  27. Glycemic Control3▲ 14×4 topics
  28. Medical Imaging3▲ 4.3×5 topics
  29. Critical Care3▲ 8.5×6 topics
  30. Donor Risk Index3▲ 49×1 topic
  31. Insulin Therapy3▲ 17×3 topics
  32. Ischemia-Reperfusion Injury3▲ 31×1 topic
  33. Internal Fixation3▲ 30×2 topics
  34. Radiofrequency Ablation3▲ 19×2 topics
  35. Biomechanics2▲ 6.4×3 topics
  36. Health Equity2▲ 6.3×3 topics
  37. Hemorrhage2▲ 26×3 topics
  38. Blood Transfusion2▲ 40×2 topics
  39. Bone Healing2▲ 39×1 topic
  40. Fracture Epidemiology2▲ 39×1 topic

Which research topics does Apollo Gleneagles Hospitals publish most on?

By volume in 2022-now: Liver Disease and Transplantation, Liver Disease Diagnosis and Treatment, Organ Transplantation Techniques and Outcomes and Bone fractures and treatments.

Liver Disease and Transplantation: 4 fractional worksLiver Disease Diagnosis and Treatment: 3 fractional worksOrgan Transplantation Te…3Organ Transplantation Techniques and Outcomes: 3 fractional worksBone fractures and treat…2Bone fractures and treatments: 2 fractional worksArtificial Intelligence in Healthcare and Education: 2 fractional worksOrthopedic Surgery and Rehabilitation: 2 fractional worksAdvanced Radiotherapy Te…2Advanced Radiotherapy Techniques: 2 fractional worksElbow and Forearm Trauma Treatment: 2 fractional worksHepatocellular Carcinoma Treatment and Prognosis: 2 fractional worksGallbladder and Bile Duct Disorders: 1 fractional works
HepatologyEpidemiologySurgeryHealth Informatics3 others

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

  1. 1 Liver Disease and Transplantation Hepatology 4 works
  2. 2 Liver Disease Diagnosis and Treatment Epidemiology 3 works
  3. 3 Organ Transplantation Techniques and Outcomes Surgery 3 works
  4. 4 Bone fractures and treatments Epidemiology 2 works
  5. 5 Artificial Intelligence in Healthcare and Education Health Informatics 2 works
  6. 6 Orthopedic Surgery and Rehabilitation Surgery 2 works
  7. 7 Advanced Radiotherapy Techniques Radiation 2 works
  8. 8 Elbow and Forearm Trauma Treatment Rehabilitation 2 works
  9. 9 Hepatocellular Carcinoma Treatment and Prognosis Hepatology 2 works
  10. 10 Gallbladder and Bile Duct Disorders Pulmonary and Respiratory Medicine 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 available61.4%not open38.6%

World: 40% of research is openly available.

with international co-authors14.2%domestic only85.8%

World: 18% is written across borders.

How has Apollo Gleneagles Hospitals's research output changed?

Output in 2022-2025 was 42% lower than in 2018-2021.

still counting200020052010201520202025
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 Apollo Gleneagles Hospitals as a percentage of every work published that year, 0.00054% in 2024.

still counting0.00050%0.0010%0.0015%Apollo Gleneagles Hospitals0.00058% in 2025200020102020

Fractional works of Apollo Gleneagles Hospitals 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 2025Apollo Gleneagles Hospitals4.4% in 20252020

Of each year's output, the share that reached the world's 10% most cited for its field and year. Peak 9.0% in 2014.

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Apollo Gleneagles Hospitals on Science Explorer

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