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Hospital / health system · Hyderabad · India

Apollo Hospitals

In research, Apollo Hospitals stands highest in Medicine (#4,796 of 10,443 worldwide), Health Sciences (#5,833 of 11,982 worldwide) and Surgery (#1,597 of 1,816 worldwide), 2022–2025. Relative to its size it is most specialised in Surgery — Surgery is 6.8× its share of world research.

apollohospitals.com/locations/india/hyderabadROR OpenAlex
World rank, 2022–2025
#14,537
of 28,054 · #21,067 all time
Rank in India
#1,001
of 1,840
Research works
1.4k
▲ 67% vs 2013–17
Citations
7.3k
5.1 per fractional work
Top-10% rate
4.8%
record average 16.5%
Open access
66%
world 28%

What is Apollo Hospitals 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 #4,796 of 10,443 4.3%388 #6656
Health SciencesDomain #5,833 of 11,982 4.2%410 #7072
SurgerySubfield #1,597 of 1,816 4.4%80 #3669

Each strip is that field’s whole ranked pool, with the notch where Apollo 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 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#6,656 #4,796
  2. Health Sciences#7,072 #5,833
  3. Surgery#3,669 #1,597
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 Apollo Hospitals specialise in?

Where its research is concentrated relative to its size: Surgery takes 6.8× the share of its output that it takes of world research.

  1. SurgerySubfield · 79.9 works6.8×
← 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: 0.08× its world share, 2 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.07× its world share, 28 worksBiochemistry, Geneti…Immunology and Microbiology: 2.25× its world share, 11 worksImmunology and Micro…Neuroscience: 0.74× its world share, 6 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.82× its world share, 1 worksPharmacology, Toxico…Chemistry: 0.05× its world share, 0 worksChemistryComputer Science: 0.06× its world share, 2 worksComputer ScienceEarth and Planetary Sciences: 0.01× its world share, 0 worksEarth and Planetary …Engineering: 0.19× its world share, 14 worksEngineeringEnvironmental Science: 0.03× its world share, 1 worksEnvironmental ScienceMaterials Science: 0.04× its world share, 1 worksMaterials ScienceMathematics: 0.27× its world share, 2 worksMathematicsPhysics and Astronomy: 0.14× its world share, 2 worksPhysics and AstronomyDentistry: 0.70× its world share, 2 worksDentistryHealth Professions: 1.25× its world share, 16 worksHealth ProfessionsMedicine: 4.05× its world share, 388 worksMedicineNursing: 1.19× its world share, 3 worksNursingVeterinary: 1.00× its world share, 1 worksVeterinaryArts and Humanities: 0.05× its world share, 1 worksArts and HumanitiesBusiness, Management and Accounting: 0.13× its world share, 2 worksBusiness, Management…Decision Sciences: 0.20× its world share, 1 worksDecision SciencesEconomics, Econometrics and Finance: 0.22× its world share, 2 worksEconomics, Econometr…Psychology: 0.57× its world share, 9 worksPsychologySocial Sciences: 0.05× its world share, 3 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Medicine, 4.0×. Every wedge is a field page.

Who are the top researchers at Apollo Hospitals?

Ranked on the composite score, Sanjay Sinha, Rajesh Paul and Narasimhan Ragavan lead among researchers whose main affiliation is Apollo Hospitals.

  1. 1 Sanjay Sinha India · #904,073 worldwide 33 citations · 36 works
  2. 2 Rajesh Paul India · #906,648 worldwide 17 citations · 15 works
  3. 3 Narasimhan Ragavan India · #1,380,949 worldwide 9 citations · 18 works
  4. 4 Swarnalata Gowrishankar India · #1,592,913 worldwide 5 citations · 15 works
  5. 5 Ravindra Mehta India · #1,600,707 worldwide 5 citations · 18 works
All ranked researchers at Apollo Hospitals

Which keywords describe research at Apollo Hospitals?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Epidemiology, Diagnosis, Treatment, Surgical Management, Complications, Inflammation, Cardiovascular Disease and 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. Epidemiology81▲ 4.1×103 topics
  2. Treatment28▲ 4.6×42 topics
  3. Diagnosis26▲ 5.6×37 topics
  4. Inflammation24▲ 2.4×52 topics
  5. Surgical Management19▲ 9.4×20 topics
  6. Quality of Life19▲ 2.6×34 topics
  7. Cardiovascular Disease18▲ 3.3×31 topics
  8. Complications17▲ 7.0×16 topics
  9. Management16▲ 4.0×28 topics
  10. Risk Factors15▲ 2.8×27 topics
  11. Guidelines12▲ 5.4×12 topics
  12. Chemotherapy12▲ 3.5×20 topics
  13. Mortality12▲ 4.2×11 topics
  14. Clinical Practice Guidelines12▲ 4.3×14 topics
  15. Prognostic Factors12▲ 5.3×13 topics
  16. Genetic Mutations11▲ 5.3×22 topics
  17. Rehabilitation11▲ 5.5×8 topics
  18. Heart Failure10▲ 4.9×13 topics
  19. Immune Response10▲ 3.7×16 topics
  20. Myocardial Infarction10▲ 8.4×6 topics
  21. Radiotherapy10▲ 5.1×13 topics
  22. Percutaneous Coronary Intervention9▲ 14×4 topics
  23. Echocardiography9▲ 6.9×8 topics
  24. Surgery9▲ 5.3×9 topics
  25. Pathophysiology9▲ 6.1×9 topics
  26. Prognosis9▲ 5.5×9 topics
  27. Pathogenesis9▲ 3.6×22 topics
  28. Cardiac Imaging8▲ 14×3 topics
  29. Atherosclerosis8▲ 6.0×10 topics
  30. Thrombosis8▲ 5.9×7 topics
  31. SARS-CoV-28▲ 5.0×6 topics
  32. Revision Surgery8▲ 12×2 topics
  33. Total Hip Replacement8▲ 12×2 topics
  34. Chronic Kidney Disease8▲ 6.3×7 topics
  35. Health-related Quality of Life8▲ 6.4×5 topics
  36. Urinary Incontinence7▲ 19×2 topics
  37. Surgical Treatment7▲ 7.2×5 topics
  38. Diagnostic Imaging7▲ 12×4 topics
  39. Coronary Artery Disease6▲ 11×3 topics
  40. Robotic Surgery6▲ 8.6×5 topics

Which research topics does Apollo Hospitals publish most on?

By volume in 2022–2025: Cardiac Imaging and Diagnostics, COVID-19 Clinical Research Studies, Coronary Interventions and Diagnostics and Total Knee Arthroplasty Outcomes.

Cardiac Imaging and Diag…5Cardiac Imaging and Diagnostics: 5 fractional worksCOVID-19 Clinical Resear…5COVID-19 Clinical Research Studies: 5 fractional worksCoronary Interventions and Diagnostics: 4 fractional worksTotal Knee Arthroplasty …4Total Knee Arthroplasty Outcomes: 4 fractional worksPelvic floor disorders t…4Pelvic floor disorders treatments: 4 fractional worksUrinary Bladder and Prostate Research: 4 fractional worksHemoglobinopathies and Related Disorders: 3 fractional worksOrthopaedic implants and…3Orthopaedic implants and arthroplasty: 3 fractional worksCardiac tumors and thrombi: 3 fractional worksBlood groups and transfusion: 3 fractional works
Radiology, Nuclear Medicine and ImagingInfectious DiseasesSurgeryRheumatology4 others

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

  1. 1 Cardiac Imaging and Diagnostics Radiology, Nuclear Medicine and Imaging 5 works
  2. 2 COVID-19 Clinical Research Studies Infectious Diseases 5 works
  3. 3 Coronary Interventions and Diagnostics Surgery 4 works
  4. 4 Total Knee Arthroplasty Outcomes Surgery 4 works
  5. 5 Pelvic floor disorders treatments Rheumatology 4 works
  6. 6 Urinary Bladder and Prostate Research Urology 4 works
  7. 7 Hemoglobinopathies and Related Disorders Genetics 3 works
  8. 8 Orthopaedic implants and arthroplasty Surgery 3 works
  9. 9 Cardiac tumors and thrombi Cardiology and Cardiovascular Medicine 3 works
  10. 10 Blood groups and transfusion Hematology 3 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 available65.7%not open34.3%

World: 28% of research is openly available.

with international co-authors13.3%domestic only86.7%

World: 19% is written across borders.

How has Apollo Hospitals's research output changed?

Output in 2018–2022 was 67% 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 Hyderabad

All research institutions in Hyderabad

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.