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Hospital / health system · Kolkata · India

Peerless Hospital & B.K.Roy Research Centre

In research, Peerless Hospital & B.K.Roy Research Centre stands highest in Health Sciences (#11,896 of 11,982 worldwide) and Medicine (#10,379 of 10,443 worldwide), 2022–2025.

peerlesshospital.comROR OpenAlex
World rank, 2022–2025
#23,747
of 28,054 · #39,952 all time
Rank in India
#1,577
of 1,840
Research works
248
▲ 136% vs 2013–17
Citations
904
3.7 per fractional work
Top-10% rate
3.2%
record average 16.5%
Open access
68%
world 28%

What is Peerless Hospital & B.K.Roy Research Centre 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
Health SciencesDomain #11,896 of 11,982 2.2%77 #19841
MedicineField #10,379 of 10,443 2.0%71 #17696

Each strip is that field’s whole ranked pool, with the notch where Peerless Hospital & B.K.Roy Research Centre 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).

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: 1.05× its world share, 5 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.23× its world share, 7 worksBiochemistry, Geneti…Immunology and Microbiology: 2.46× its world share, 3 worksImmunology and Micro…Neuroscience: 0.67× its world share, 1 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 3.45× its world share, 1 worksPharmacology, Toxico…Computer Science: 0.13× its world share, 1 worksComputer ScienceEngineering: 0.04× its world share, 1 worksEngineeringEnvironmental Science: 0.11× its world share, 1 worksEnvironmental ScienceMaterials Science: 0.10× its world share, 0 worksMaterials ScienceMathematics: 0.49× its world share, 1 worksMathematicsPhysics and Astronomy: 0.43× its world share, 1 worksPhysics and AstronomyDentistry: 0.82× its world share, 0 worksDentistryHealth Professions: 1.67× its world share, 5 worksHealth ProfessionsMedicine: 3.53× its world share, 71 worksMedicineNursing: 0.81× its world share, 0 worksNursingVeterinary: 0.58× its world share, 0 worksVeterinaryArts and Humanities: 0.30× its world share, 1 worksArts and HumanitiesBusiness, Management and Accounting: 0.10× its world share, 0 worksBusiness, Management…Decision Sciences: 0.33× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 1.04× its world share, 2 worksEconomics, Econometr…Psychology: 0.79× its world share, 2 worksPsychologySocial Sciences: 0.03× its world share, 0 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Medicine, 3.5×. Every wedge is a field page.

Who are the top researchers at Peerless Hospital & B.K.Roy Research Centre?

Ranked on the composite score, Ajoy Sarkar and Satadal Das lead among researchers whose main affiliation is Peerless Hospital & B.K.Roy Research Centre.

  1. 1 Ajoy Sarkar India · #867,620 worldwide 55 citations · 21 works
  2. 2 Satadal Das India · #1,188,661 worldwide 20 citations · 28 works
All ranked researchers at Peerless Hospital & B.K.Roy Research Centre

Which keywords describe research at Peerless Hospital & B.K.Roy Research Centre?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Epidemiology, COVID-19, Herbal Medicine, Pandemic, Complications, Surgical Management, SARS-CoV-2 and Metabolic Syndrome.

▲ 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. Epidemiology18▲ 4.4×49 topics
  2. COVID-196▲ 3.9×9 topics
  3. Pandemic5▲ 4.3×6 topics
  4. Quality of Life4▲ 2.9×13 topics
  5. Inflammation4▲ 2.0×18 topics
  6. Herbal Medicine4▲ 12×7 topics
  7. Metabolic Syndrome4▲ 4.3×8 topics
  8. Complications4▲ 6.9×9 topics
  9. Treatment4▲ 2.8×11 topics
  10. Public Health4▲ 2.3×12 topics
  11. Antioxidant3▲ 4.8×13 topics
  12. Surgical Management3▲ 7.7×7 topics
  13. Clinical Practice Guidelines3▲ 5.6×8 topics
  14. Diagnosis3▲ 3.2×13 topics
  15. Cardiovascular Disease3▲ 2.6×15 topics
  16. Management3▲ 3.6×11 topics
  17. SARS-CoV-23▲ 8.6×4 topics
  18. Medicinal Plants3▲ 6.7×7 topics
  19. Rehabilitation3▲ 6.8×4 topics
  20. Chemotherapy3▲ 3.7×7 topics
  21. Chronic Kidney Disease3▲ 11×5 topics
  22. Biomechanics3▲ 8.2×4 topics
  23. Diabetes3▲ 5.0×10 topics
  24. Hepatocellular Carcinoma2▲ 12×3 topics
  25. Internal Fixation2▲ 35×2 topics
  26. Meta-Analysis2▲ 3.8×5 topics
  27. Mortality2▲ 3.9×8 topics
  28. Treatment Guidelines2▲ 11×4 topics
  29. Bone Healing2▲ 50×1 topic
  30. Fracture Epidemiology2▲ 50×1 topic
  31. Global Burden2▲ 4.1×8 topics
  32. Surgery2▲ 6.1×5 topics
  33. Antibiotic Resistance2▲ 5.2×5 topics
  34. Infectious Diseases2▲ 6.1×4 topics
  35. Infection2▲ 7.2×7 topics
  36. Anti-inflammatory2▲ 6.3×6 topics
  37. Antimicrobial Resistance2▲ 8.6×5 topics
  38. Diagnostic Imaging2▲ 16×3 topics
  39. NAFLD2▲ 14×1 topic
  40. NASH2▲ 14×1 topic

Which research topics does Peerless Hospital & B.K.Roy Research Centre publish most on?

By volume in 2022–2025: Bone fractures and treatments, Liver Disease Diagnosis and Treatment, Medicinal Plant Extracts Effects and COVID-19 Clinical Research Studies.

Bone fractures and treat…2Bone fractures and treatments: 2 fractional worksLiver Disease Diagnosis …2Liver Disease Diagnosis and Treatment: 2 fractional worksMedicinal Plant Extracts Effects: 1 fractional worksCOVID-19 Clinical Research Studies: 1 fractional worksCOVID-19 Pandemic Impacts1COVID-19 Pandemic Impacts: 1 fractional worksParathyroid Disorders and Treatments: 1 fractional worksCervical Cancer and HPV Research: 1 fractional worksHip and Femur Fractures1Hip and Femur Fractures: 1 fractional worksLung Cancer Diagnosis and Treatment: 1 fractional worksAntibiotic Use and Resistance: 1 fractional works
EpidemiologyComplementary and alternative medicineInfectious DiseasesEconomics and Econometrics4 others

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

  1. 1 Bone fractures and treatments Epidemiology 2 works
  2. 2 Liver Disease Diagnosis and Treatment Epidemiology 2 works
  3. 3 Medicinal Plant Extracts Effects Complementary and alternative medicine 1 works
  4. 4 COVID-19 Clinical Research Studies Infectious Diseases 1 works
  5. 5 COVID-19 Pandemic Impacts Economics and Econometrics 1 works
  6. 6 Parathyroid Disorders and Treatments Nephrology 1 works
  7. 7 Cervical Cancer and HPV Research Epidemiology 1 works
  8. 8 Hip and Femur Fractures Surgery 1 works
  9. 9 Lung Cancer Diagnosis and Treatment Pulmonary and Respiratory Medicine 1 works
  10. 10 Antibiotic Use and Resistance Applied Microbiology and Biotechnology 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 available68.3%not open31.7%

World: 28% of research is openly available.

with international co-authors9.9%domestic only90.1%

World: 19% is written across borders.

How has Peerless Hospital & B.K.Roy Research Centre's research output changed?

Output in 2018–2022 was 136% higher than in 2013–2017.

20002005201020152020
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 Kolkata

All research institutions in Kolkata

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.