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Hospital / health system · Kolkata · India

AMRI Hospitals

In research, AMRI Hospitals stands highest in Medicine (#5,363 of 8,541 worldwide) and Health Sciences (#6,350 of 9,902 worldwide), 2022-now.

amrihospitals.inROR OpenAlex
World rank, 2022-now
#18,608
of 22,385 · #25,506 all time
Rank in India
#1,335
of 1,562
Research works
442
▲ 26% vs 2018-21
Citations
3.2k
7.2 per fractional work
Top-10% rate
4.7%
all institutions 10.0%
vs its own fields
0.89×
1.00× is exactly expected
Open access
60%
world 40%
International
9%
world 18%
AMRI Hospitals

What is AMRI 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 #5,363 of 8,541 4.6%120 #8635
Health SciencesDomain #6,350 of 9,902 4.6%125 #10544

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

In 2022-now, 85% of research at AMRI Hospitals is in Health Sciences, 7% in Life Sciences. Its largest fields are Medicine (82%), Biochemistry, Genetics and Molecular Biology (5%), Health Professions (2%). It does 3.5× the world's share of Health Sciences.

Health Sciences: 136 fractional works · 85.4% of its workMedicine: 131 fractional works · 82.0% of its workSurgery: 27 fractional works · 17.0% of its workPulmonary and Respiratory Medicine: 16 fractional works · 10.0% of its workEpidemiology: 13 fractional works · 7.9% of its workCardiology and Cardiovascular Medicine: 10 fractional works · 6.2% of its workEndocrinology, Diabetes and Metabolism: 8 fractional works · 5.3% of its workInfectious Diseases: 5 fractional works · 3.4% of its workPathology and Forensic Medicine: 4 fractional works · 2.8% of its workPhysiology: 4 fractional works · 2.3% of its workCritical Care and Intensive Care Medicine: 4 fractional works · 2.2% of its workOphthalmology: 3 fractional works · 2.1% of its workPublic Health, Environmental and Occupational Health: 3 fractional works · 2.0% of its workRheumatology: 2 fractional works · 1.5% of its workNeurology: 2 fractional works · 1.4% of its workRadiology, Nuclear Medicine and Imaging: 2 fractional works · 1.3% of its workEmergency Medicine: 2 fractional works · 1.3% of its workOncology: 2 fractional works · 1.3% of its workGastroenterology: 2 fractional works · 1.2% of its workGenetics: 2 fractional works · 1.2% of its workAnesthesiology and Pain Medicine: 2 fractional works · 1.1% of its workUrology: 2 fractional works · 1.0% of its workNephrology: 1 fractional works · 0.9% of its workHematology: 1 fractional works · 0.9% of its workHepatology: 1 fractional works · 0.8% of its workComplementary and alternative medicine: 1 fractional works · 0.8% of its workPharmacology: 1 fractional works · 0.7% of its workPsychiatry and Mental health: 1 fractional works · 0.7% of its workTransplantation: 1 fractional works · 0.7% of its workRehabilitation: 1 fractional works · 0.6% of its workPediatrics, Perinatology and Child Health: 1 fractional works · 0.6% of its workReproductive Medicine: 1 fractional works · 0.5% of its workObstetrics and Gynecology: 1 fractional works · 0.5% of its workInternal Medicine: 1 fractional works · 0.4% of its workOrthopedics and Sports Medicine: 1 fractional works · 0.4% of its workSmaller subfields together: 1 fractional works · 0.8% of its workHealth Professions: 4 fractional works · 2.4% of its workGeneral Health Professions: 2 fractional works · 1.0% of its workEmergency Medical Services: 1 fractional works · 0.6% of its workSpeech and Hearing: 1 fractional works · 0.4% of its workHealth Information Management: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.2% of its workDentistry: 1 fractional works · 0.8% of its workOral Surgery: 1 fractional works · 0.8% of its workVeterinary: 0 fractional works · 0.1% of its workNursing: 0 fractional works · 0.0% of its workLife Sciences: 12 fractional works · 7.4% of its workBiochemistry, Genetics and Molecular Biology: 7 fractional works · 4.6% of its workMolecular Biology: 3 fractional works · 2.1% of its workGenetics: 2 fractional works · 1.2% of its workMolecular Medicine: 0 fractional works · 0.3% of its workClinical Biochemistry: 0 fractional works · 0.2% of its workCell Biology: 0 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.5% of its workImmunology and Microbiology: 2 fractional works · 1.2% of its workApplied Microbiology and Biotechnology: 1 fractional works · 0.5% of its workImmunology: 1 fractional works · 0.3% of its workParasitology: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workNeuroscience: 2 fractional works · 1.1% of its workNeurology: 1 fractional works · 0.5% of its workCellular and Molecular Neuroscience: 0 fractional works · 0.3% of its workSmaller subfields together: 1 fractional works · 0.3% of its workPharmacology, Toxicology and Pharmaceutics: 1 fractional works · 0.4% of its workPharmacology: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workAgricultural and Biological Sciences: 0 fractional works · 0.1% of its workSocial Sciences: 7 fractional works · 4.1% of its workSocial Sciences: 2 fractional works · 1.5% of its workSociology and Political Science: 1 fractional works · 0.9% of its workHealth: 0 fractional works · 0.3% of its workEducation: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workBusiness, Management and Accounting: 1 fractional works · 0.6% of its workManagement of Technology and Innovation: 1 fractional works · 0.4% of its workOrganizational Behavior and Human Resource Management: 0 fractional works · 0.2% of its workEconomics, Econometrics and Finance: 1 fractional works · 0.6% of its workEconomics and Econometrics: 1 fractional works · 0.5% of its workSmaller subfields together: 0 fractional works · 0.1% of its workPsychology: 1 fractional works · 0.6% of its workExperimental and Cognitive Psychology: 1 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.2% of its workArts and Humanities: 1 fractional works · 0.5% of its workLiterature and Literary Theory: 0 fractional works · 0.2% of its workVisual Arts and Performing Arts: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workDecision Sciences: 0 fractional works · 0.3% of its workManagement Science and Operations Research: 0 fractional works · 0.3% of its workPhysical Sciences: 5 fractional works · 3.1% of its workEngineering: 2 fractional works · 1.3% of its workBiomedical Engineering: 2 fractional works · 1.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workComputer Science: 2 fractional works · 0.9% of its workComputer Vision and Pattern Recognition: 0 fractional works · 0.3% of its workInformation Systems: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.3% of its workEnvironmental Science: 1 fractional works · 0.4% of its workHealth, Toxicology and Mutagenesis: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.2% of its workChemistry: 0 fractional works · 0.2% of its workOrganic Chemistry: 0 fractional works · 0.2% of its workPhysics and Astronomy: 0 fractional works · 0.1% of its workMaterials Science: 0 fractional works · 0.1% of its workALL ITS WORKAMRI Hospitals159fractional works, 2022-now
Life Sciences7%Physical Sciences3%Health Sciences85%Social Sciences4%

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 22 fields, with their numbers
    1. Medicine13182.0%
    2. Health Professions42.4%
    3. Dentistry10.8%
    4. Veterinary00.1%
    5. Nursing00.0%
    1. Biochemistry, Genetics and Molecular Biology74.6%
    2. Immunology and Microbiology21.2%
    3. Neuroscience21.1%
    4. Pharmacology, Toxicology and Pharmaceutics10.4%
    5. Agricultural and Biological Sciences00.1%
    1. Social Sciences21.5%
    2. Business, Management and Accounting10.6%
    3. Economics, Econometrics and Finance10.6%
    4. Psychology10.6%
    5. Arts and Humanities10.5%
    6. Decision Sciences00.3%
    1. Engineering21.3%
    2. Computer Science20.9%
    3. Environmental Science10.4%
    4. Chemistry00.2%
    5. Physics and Astronomy00.1%
    6. Materials Science00.1%
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: 0.02× its world share, 0 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.86× its world share, 7 worksBiochemistry, Geneti…Immunology and Microbiology: 1.22× its world share, 2 worksImmunology and Micro…Neuroscience: 0.69× its world share, 2 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 1.01× its world share, 1 worksPharmacology, Toxico…Chemistry: 0.15× its world share, 0 worksChemistryComputer Science: 0.12× its world share, 2 worksComputer ScienceEngineering: 0.09× its world share, 2 worksEngineeringEnvironmental Science: 0.08× its world share, 1 worksEnvironmental ScienceMaterials Science: 0.02× its world share, 0 worksMaterials SciencePhysics and Astronomy: 0.05× its world share, 0 worksPhysics and AstronomyDentistry: 1.67× its world share, 1 worksDentistryHealth Professions: 0.93× its world share, 4 worksHealth ProfessionsMedicine: 4.27× its world share, 131 worksMedicineNursing: 0.08× its world share, 0 worksNursingVeterinary: 0.77× its world share, 0 worksVeterinaryArts and Humanities: 0.19× its world share, 1 worksArts and HumanitiesBusiness, Management and Accounting: 0.19× its world share, 1 worksBusiness, Management…Decision Sciences: 0.27× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.28× its world share, 1 worksEconomics, Econometr…Psychology: 0.19× its world share, 1 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, 4.3×. Every wedge is a field page.

All 22 fields, with their numbers
  1. Medicine4.27×131 works
  2. Dentistry1.67×1 works
  3. Immunology and Microbiology1.22×2 works
  4. Pharmacology, Toxicology and Pharmaceutics1.01×1 works
  5. Health Professions0.93×4 works
  6. Biochemistry, Genetics and Molecular Biology0.86×7 works
  7. Veterinary0.77×0 works
  8. Neuroscience0.69×2 works
  9. Economics, Econometrics and Finance0.28×1 works
  10. Decision Sciences0.27×0 works
  11. Arts and Humanities0.19×1 works
  12. Business, Management and Accounting0.19×1 works
  13. Psychology0.19×1 works
  14. Chemistry0.15×0 works
  15. Computer Science0.12×2 works
  16. Social Sciences0.12×2 works
  17. Engineering0.09×2 works
  18. Environmental Science0.08×1 works
  19. Nursing0.08×0 works
  20. Physics and Astronomy0.05×0 works
  21. Agricultural and Biological Sciences0.02×0 works
  22. Materials Science0.02×0 works

Who are the top researchers at AMRI Hospitals?

Ranked on the quality score, Subhash Kumar Todi, Mohit Kharbanda and Samir Sahu lead among researchers whose main affiliation is AMRI Hospitals.

  1. 1 Subhash Kumar Todi India · #372,640 worldwide 3.4k citations · 180 works
  2. 2 Mohit Kharbanda India · #969,015 worldwide 959 citations · 40 works
  3. 3 Samir Sahu India · #1,024,037 worldwide 1.5k citations · 25 works
  4. 4 Mahuya Bhattacharyya India · #1,388,271 worldwide 1.7k citations · 48 works
  5. 5 Arpita Bhakta India · #1,400,379 worldwide 796 citations · 25 works
  6. 6 Sharmila C. Chatterjee India · #1,479,523 worldwide 1.1k citations · 51 works
  7. 7 Sujit Chaudhuri India · #2,211,335 worldwide 1.3k citations · 68 works
  8. 8 Binayak Sinha India · #2,221,539 worldwide 1.7k citations · 115 works
  9. 9 OmPrakash Singh India · #2,663,683 worldwide 327 citations · 17 works
  10. 10 Lalit R. Verma India · #2,773,559 worldwide 921 citations · 37 works
All ranked researchers at AMRI Hospitals

What are the most cited papers from AMRI Hospitals?

The most cited paper from AMRI Hospitals is "Prediction of haematoma growth and outcome in patients with intracerebral haemorrhage using the CT-angiography spot sign (PREDICT): a prospective observational study" (Andrew M. Demchuk, Dar Dowlatshahi, David Rodríguez‐Luna et al., 2012), with 645 citations. Next come "International Nosocomial Infection Control Consortium (INICC) report, data summary for 2003-2008, issued June 2009" (516) and "Application of principal component analysis to ECG signals for automated diagnosis of cardiac health" (297).

Most cited papers
#PaperReleasedCitations
1 Prediction of haematoma growth and outcome in patients with intracerebral haemorrhage using the CT-angiography spot sign (PREDICT): a prospective observational study Andrew M. Demchuk, Dar Dowlatshahi, David Rodríguez‐Luna et al. · The Lancet Neurology 8 Mar 2012 645
2 International Nosocomial Infection Control Consortium (INICC) report, data summary for 2003-2008, issued June 2009 Víctor Rosenthal et al. · American Journal of Infection Control 21 Feb 2010 516
3 Application of principal component analysis to ECG signals for automated diagnosis of cardiac health Roshan Joy Martis, U. Rajendra Acharya, Kayapanda Muthana Mandana et al. · Expert Systems with Applications 6 May 2012 297
4 Guidelines for prevention of hospital acquired infections Vijaya P. Borkar Patil, Subhash Kumar Todi, S. N. Myatra et al. · Indian Journal of Critical Care Medicine Open access 2014 256
5 Progressive pulmonary fibrosis: an expert group consensus statement Sujeet K. Rajan et al. · European Respiratory Journal Open access 14 Dec 2022 255
All 60 most cited papers, with filters and sorting

Which keywords describe research at AMRI Hospitals?

By fractional works in 2022-now, weighted toward what it does more of than the world: Epidemiology, Cardiovascular Disease, Complications, Diagnosis, Mortality, Metabolic Syndrome, Surgical Treatment and Insulin Resistance.

▲ 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. Epidemiology28▲ 4.4×64 topics
  2. Cardiovascular Disease12▲ 6.5×25 topics
  3. Complications10▲ 13×13 topics
  4. Diagnosis10▲ 6.5×23 topics
  5. Inflammation9▲ 2.6×35 topics
  6. Treatment8▲ 4.4×23 topics
  7. Metabolic Syndrome8▲ 6.4×13 topics
  8. Mortality8▲ 9.2×12 topics
  9. Surgical Treatment7▲ 24×4 topics
  10. Insulin Resistance7▲ 9.6×5 topics
  11. Hypertension7▲ 14×10 topics
  12. Obesity6▲ 5.3×10 topics
  13. Management6▲ 4.8×18 topics
  14. Risk Factors5▲ 3.1×15 topics
  15. Mechanical Ventilation5▲ 29×2 topics
  16. Heart Failure5▲ 6.8×8 topics
  17. Global Burden5▲ 5.4×7 topics
  18. Clinical Guidelines5▲ 9.9×7 topics
  19. Guidelines4▲ 5.7×11 topics
  20. Tissue Engineering4▲ 4.5×2 topics
  21. Hemorrhage4▲ 36×3 topics
  22. Internal Fixation4▲ 38×2 topics
  23. Atherosclerosis4▲ 8.5×6 topics
  24. Biomechanics4▲ 8.1×5 topics
  25. Clinical Outcomes4▲ 12×5 topics
  26. Diabetes4▲ 4.9×13 topics
  27. Rehabilitation4▲ 6.0×7 topics
  28. Hepatic Steatosis4▲ 15×2 topics
  29. Degenerative Disc Disease4▲ 23×2 topics
  30. Cardiovascular Events3▲ 18×4 topics
  31. Embolization3▲ 33×2 topics
  32. Glycemic Control3▲ 13×4 topics
  33. Acetabular Fractures3▲ 93×1 topic
  34. Insulin Therapy3▲ 17×3 topics
  35. Pelvic Fractures3▲ 93×1 topic
  36. Airway Stenosis3▲ 37×1 topic
  37. Spinal Fusion3▲ 21×2 topics
  38. Tracheostomy3▲ 37×1 topic
  39. Glucose Metabolism3▲ 19×2 topics
  40. Pulmonary Infections3▲ 30×2 topics

Which research topics does AMRI Hospitals publish most on?

By volume in 2022-now: Pelvic and Acetabular Injuries, Tracheal and airway disorders, Spine and Intervertebral Disc Pathology and Spinal Fractures and Fixation Techniques.

Pelvic and Acetabular In…3Pelvic and Acetabular Injuries: 3 fractional worksTracheal and airway diso…3Tracheal and airway disorders: 3 fractional worksSpine and Intervertebral…3Spine and Intervertebral Disc Pathology: 3 fractional worksSpinal Fractures and Fix…3Spinal Fractures and Fixation Techniques: 3 fractional worksDiabetes Treatment and Management: 2 fractional worksLiver Disease Diagnosis and Treatment: 2 fractional worksRespiratory Support and …2Respiratory Support and Mechanisms: 2 fractional worksChronic Obstructive Pulmonary Disease (COPD) Research: 2 fractional worksNosocomial Infections in ICU: 2 fractional worksBlood Pressure and Hyper…2Blood Pressure and Hypertension Studies: 2 fractional works
SurgeryPulmonary and Respiratory MedicinePathology and Forensic MedicineEndocrinology, Diabetes and Metabolism3 others

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

  1. 1 Pelvic and Acetabular Injuries Surgery 3 works
  2. 2 Tracheal and airway disorders Pulmonary and Respiratory Medicine 3 works
  3. 3 Spine and Intervertebral Disc Pathology Pathology and Forensic Medicine 3 works
  4. 4 Spinal Fractures and Fixation Techniques Surgery 3 works
  5. 5 Diabetes Treatment and Management Endocrinology, Diabetes and Metabolism 2 works
  6. 6 Liver Disease Diagnosis and Treatment Epidemiology 2 works
  7. 7 Respiratory Support and Mechanisms Pulmonary and Respiratory Medicine 2 works
  8. 8 Chronic Obstructive Pulmonary Disease (COPD) Research Pulmonary and Respiratory Medicine 2 works
  9. 9 Nosocomial Infections in ICU Critical Care and Intensive Care Medicine 2 works
  10. 10 Blood Pressure and Hypertension Studies Cardiology and Cardiovascular Medicine 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 available60.5%not open39.5%

World: 40% of research is openly available.

with international co-authors9.3%domestic only90.7%

World: 18% is written across borders.

How has AMRI Hospitals's research output changed?

Output in 2022-2025 was 26% higher than in 2018-2021.

still counting200020102020
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 AMRI Hospitals as a percentage of every work published that year, 0.00062% in 2024.

still counting0.00050%0.0010%0.0015%AMRI Hospitals0.00041% in 2025200020102020

Fractional works of AMRI 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 2025AMRI Hospitals4.3% in 20252020

Of each year's output, the share that reached the world's 10% most cited for its field and year. Peak 5.5% in 2023.

Other research institutions in Kolkata

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AMRI Hospitals on Science Explorer

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