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Hospital / health system · Matsuyama · Japan

Ehime Prefectural Central Hospital

In research, Ehime Prefectural Central Hospital stands highest in Medicine (#7,824 of 10,443 worldwide) and Health Sciences (#9,687 of 11,982 worldwide), 2022–2025.

eph.pref.ehime.jp/epchROR OpenAlex
World rank, 2022–2025
#23,505
of 28,054 · #28,169 all time
Rank in Japan
#759
of 1,070
Research works
798
▲ 7% vs 2013–17
Citations
6.7k
8.4 per fractional work
Top-10% rate
5.4%
record average 16.5%
Open access
53%
world 28%

What is Ehime Prefectural Central Hospital 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 #7,824 of 10,443 5.7%90 #8464
Health SciencesDomain #9,687 of 11,982 5.6%93 #11268

Each strip is that field’s whole ranked pool, with the notch where Ehime Prefectural Central Hospital 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: 0.01× its world share, 0 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.37× its world share, 8 worksBiochemistry, Geneti…Immunology and Microbiology: 1.95× its world share, 2 worksImmunology and Micro…Neuroscience: 0.75× its world share, 1 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 1.75× its world share, 1 worksPharmacology, Toxico…Chemistry: 0.19× its world share, 0 worksChemistryComputer Science: 0.04× its world share, 0 worksComputer ScienceEngineering: 0.02× its world share, 0 worksEngineeringEnvironmental Science: 0.01× its world share, 0 worksEnvironmental ScienceMaterials Science: 0.09× its world share, 0 worksMaterials ScienceMathematics: 0.41× its world share, 0 worksMathematicsDentistry: 0.60× its world share, 0 worksDentistryHealth Professions: 0.63× its world share, 2 worksHealth ProfessionsMedicine: 4.29× its world share, 90 worksMedicineNursing: 1.20× its world share, 1 worksNursingVeterinary: 2.24× its world share, 0 worksVeterinaryArts and Humanities: 0.24× its world share, 1 worksArts and HumanitiesEconomics, Econometrics and Finance: 0.14× its world share, 0 worksEconomics, Econometr…Psychology: 0.20× its world share, 1 worksPsychologySocial Sciences: 0.01× 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, 4.3×. Every wedge is a field page.

Who are the top researchers at Ehime Prefectural Central Hospital?

Ranked on the composite score, Atsushi Hiraoka, Hideo Kawakami and Shozo Sueda lead among researchers whose main affiliation is Ehime Prefectural Central Hospital.

  1. 1 Atsushi Hiraoka Japan · #60,546 worldwide 293 citations · 88 works
  2. 2 Hideo Kawakami Japan · #300,446 worldwide 128 citations · 52 works
  3. 3 Shozo Sueda Japan · #484,467 worldwide 56 citations · 26 works
  4. 4 Hideko Ohama Japan · #686,213 worldwide 29 citations · 27 works
  5. 5 Eiji Tsubouchi Japan · #752,389 worldwide 10 citations · 16 works
  6. 6 Kenichiro Mori Japan · #804,216 worldwide 14 citations · 25 works
  7. 7 Tadakatsu Yamada Japan · #874,683 worldwide 13 citations · 17 works
  8. 8 Hideki Kawasaki Japan · #982,798 worldwide 71 citations · 53 works
  9. 9 Hideki Okayama Japan · #1,107,643 worldwide 35 citations · 46 works
  10. 10 Shogo Kitahata Japan · #1,142,469 worldwide 3 citations · 15 works
All ranked researchers at Ehime Prefectural Central Hospital

Which keywords describe research at Ehime Prefectural Central Hospital?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Epidemiology, Treatment, Diagnosis, Hepatocellular Carcinoma, Management, Immunotherapy, Chemotherapy and Prognostic Factors.

▲ 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. Epidemiology17▲ 3.9×51 topics
  2. Treatment10▲ 7.6×20 topics
  3. Diagnosis9▲ 9.0×23 topics
  4. Inflammation8▲ 3.3×32 topics
  5. Hepatocellular Carcinoma7▲ 32×3 topics
  6. Management7▲ 8.5×17 topics
  7. Chemotherapy7▲ 9.1×16 topics
  8. Immunotherapy7▲ 9.0×12 topics
  9. Clinical Practice Guidelines7▲ 12×11 topics
  10. Prognostic Factors7▲ 15×13 topics
  11. Surgical Management5▲ 11×13 topics
  12. Tumor Microenvironment4▲ 9.3×7 topics
  13. Survival4▲ 30×3 topics
  14. Liver Cancer4▲ 70×1 topic
  15. Radiofrequency Ablation4▲ 37×1 topic
  16. Neoadjuvant Therapy4▲ 15×5 topics
  17. Quality of Life4▲ 2.5×18 topics
  18. Cholangiocarcinoma4▲ 44×2 topics
  19. Complications4▲ 6.8×10 topics
  20. Genetic Mutations4▲ 7.5×10 topics
  21. Surgery3▲ 8.1×8 topics
  22. Genetics3▲ 4.0×9 topics
  23. Neurological Disorders3▲ 4.9×9 topics
  24. Molecular Characterization3▲ 14×4 topics
  25. Guidelines3▲ 5.1×8 topics
  26. Immunohistochemistry2▲ 32×3 topics
  27. Metastasis2▲ 6.7×6 topics
  28. NAFLD2▲ 18×1 topic
  29. NASH2▲ 18×1 topic
  30. Molecular Pathology2▲ 20×2 topics
  31. Biliary Tract Cancer2▲ 55×1 topic
  32. Intrahepatic Cholangiocarcinoma2▲ 55×1 topic
  33. Magnetic Resonance Imaging2▲ 7.7×4 topics
  34. Myocardial Infarction2▲ 8.7×4 topics
  35. Pancreatic Cancer2▲ 18×2 topics
  36. Treatment Guidelines2▲ 9.5×5 topics
  37. Cardiac Imaging2▲ 16×3 topics
  38. Clinical Management2▲ 11×6 topics
  39. Gemcitabine2▲ 25×1 topic
  40. Targeted Therapy2▲ 8.2×4 topics

Which research topics does Ehime Prefectural Central Hospital publish most on?

By volume in 2022–2025: Hepatocellular Carcinoma Treatment and Prognosis, Liver Disease Diagnosis and Treatment, Cholangiocarcinoma and Gallbladder Cancer Studies and Pancreatic and Hepatic Oncology Research.

Hepatocellular Carcinoma…4Hepatocellular Carcinoma Treatment and Prognosis: 4 fractional worksLiver Disease Diagnosis and Treatment: 2 fractional worksCholangiocarcinoma and G…2Cholangiocarcinoma and Gallbladder Cancer Studies: 2 fractional worksPancreatic and Hepatic O…2Pancreatic and Hepatic Oncology Research: 2 fractional worksGallbladder and Bile Duct Disorders: 2 fractional worksCardiac Imaging and Diagnostics: 2 fractional worksLung Cancer Treatments a…2Lung Cancer Treatments and Mutations: 2 fractional worksCoronary Interventions and Diagnostics: 1 fractional worksCancer Immunotherapy and Biomarkers: 1 fractional worksBladder and Urothelial Cancer Treatments: 1 fractional works
HepatologyEpidemiologySurgeryOncology2 others

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

  1. 1 Hepatocellular Carcinoma Treatment and Prognosis Hepatology 4 works
  2. 2 Liver Disease Diagnosis and Treatment Epidemiology 2 works
  3. 3 Cholangiocarcinoma and Gallbladder Cancer Studies Surgery 2 works
  4. 4 Pancreatic and Hepatic Oncology Research Oncology 2 works
  5. 5 Gallbladder and Bile Duct Disorders Pulmonary and Respiratory Medicine 2 works
  6. 6 Cardiac Imaging and Diagnostics Radiology, Nuclear Medicine and Imaging 2 works
  7. 7 Lung Cancer Treatments and Mutations Pulmonary and Respiratory Medicine 2 works
  8. 8 Coronary Interventions and Diagnostics Surgery 1 works
  9. 9 Cancer Immunotherapy and Biomarkers Oncology 1 works
  10. 10 Bladder and Urothelial Cancer Treatments Surgery 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 available52.6%not open47.4%

World: 28% of research is openly available.

with international co-authors3.7%domestic only96.3%

World: 19% is written across borders.

How has Ehime Prefectural Central Hospital's research output changed?

Output in 2018–2022 was 7% 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 Matsuyama

All research institutions in Matsuyama

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.