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Hospital / health system · Yamagata · Japan

Yamagata Prefectural Central Hospital

In research, Yamagata Prefectural Central Hospital stands highest in Medicine (#7,720 of 10,443 worldwide) and Health Sciences (#9,558 of 11,982 worldwide), 2022–2025. Relative to its size it is most specialised in Pulmonary and Respiratory Medicine — Pulmonary and Respiratory Medicine is 16.2× its share of world research.

ypch.gr.jpROR OpenAlex
World rank, 2022–2025
#21,981
of 28,054 · #31,122 all time
Rank in Japan
#685
of 1,070
Research works
550
▲ 32% vs 2013–17
Citations
5.1k
9.3 per fractional work
Top-10% rate
9.8%
record average 16.5%
Open access
53%
world 28%

What is Yamagata 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 #7,720 of 10,443 8.0%68 #8721
Health SciencesDomain #9,558 of 11,982 7.7%70 #11532

Each strip is that field’s whole ranked pool, with the notch where Yamagata 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).

What does Yamagata Prefectural Central Hospital specialise in?

Where its research is concentrated relative to its size: Pulmonary and Respiratory Medicine takes 16.2× the share of its output that it takes of world research.

  1. Pulmonary and Respiratory MedicineSubfield · 20.6 works16×
← 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: 0.16× its world share, 1 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.94× its world share, 4 worksBiochemistry, Geneti…Immunology and Microbiology: 2.01× its world share, 2 worksImmunology and Micro…Neuroscience: 0.52× its world share, 1 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 1.64× its world share, 0 worksPharmacology, Toxico…Chemistry: 0.08× its world share, 0 worksChemistryComputer Science: 0.04× its world share, 0 worksComputer ScienceEngineering: 0.02× its world share, 0 worksEngineeringEnvironmental Science: 0.23× its world share, 1 worksEnvironmental ScienceMaterials Science: 0.03× its world share, 0 worksMaterials ScienceMathematics: 0.10× its world share, 0 worksMathematicsPhysics and Astronomy: 0.18× its world share, 0 worksPhysics and AstronomyDentistry: 0.56× its world share, 0 worksDentistryHealth Professions: 0.70× its world share, 2 worksHealth ProfessionsMedicine: 4.29× its world share, 68 worksMedicineNursing: 0.83× its world share, 0 worksNursingArts and Humanities: 0.08× its world share, 0 worksArts and HumanitiesDecision Sciences: 0.10× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.31× its world share, 0 worksEconomics, Econometr…Psychology: 0.60× 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, 4.3×. Every wedge is a field page.

Who are the top researchers at Yamagata Prefectural Central Hospital?

Ranked on the composite score, Satoshi Shiono, Masami Abiko and Katsuyuki Suzuki lead among researchers whose main affiliation is Yamagata Prefectural Central Hospital.

  1. 1 Satoshi Shiono Japan · #610,746 worldwide 72 citations · 53 works
  2. 2 Masami Abiko Japan · #719,666 worldwide 15 citations · 19 works
  3. 3 Katsuyuki Suzuki Japan · #974,287 worldwide 18 citations · 20 works
  4. 4 Akio Fukui Japan · #1,192,440 worldwide 17 citations · 16 works
  5. 5 Naoki Sakurai Japan · #1,252,870 worldwide 25 citations · 30 works
  6. 6 Naoki Yanagawa Japan · #1,267,847 worldwide 6 citations · 19 works
  7. 7 Takashi Nomura Japan · #1,471,934 worldwide 2 citations · 22 works
All ranked researchers at Yamagata Prefectural Central Hospital

Which keywords describe research at Yamagata Prefectural Central Hospital?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Chemotherapy, Adjuvant Therapy, Radiotherapy, Epidemiology, Lung Cancer, Tumor Staging, CT Screening and Positron Emission Tomography.

▲ 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. Epidemiology10▲ 3.1×55 topics
  2. Chemotherapy10▲ 17×13 topics
  3. Adjuvant Therapy8▲ 73×2 topics
  4. Radiotherapy7▲ 21×9 topics
  5. Lung Cancer6▲ 43×2 topics
  6. Tumor Staging6▲ 65×2 topics
  7. CT Screening6▲ 107×1 topic
  8. Positron Emission Tomography6▲ 107×1 topic
  9. Treatment5▲ 5.1×19 topics
  10. Clinical Practice Guidelines4▲ 10×10 topics
  11. Diagnosis4▲ 5.2×14 topics
  12. Targeted Therapy4▲ 20×5 topics
  13. Clinical Trials4▲ 6.3×7 topics
  14. Immunotherapy4▲ 5.9×11 topics
  15. Survival Analysis4▲ 15×6 topics
  16. Quality of Life3▲ 2.7×16 topics
  17. Prognostic Factors3▲ 8.5×10 topics
  18. Gastric Cancer3▲ 33×3 topics
  19. Surgical Management3▲ 8.6×12 topics
  20. Genomic Profiling3▲ 34×2 topics
  21. Treatment Guidelines3▲ 16×3 topics
  22. Pneumothorax3▲ 91×2 topics
  23. ALK Inhibitors2▲ 48×1 topic
  24. EGFR Mutations2▲ 48×1 topic
  25. Genetic Mutations2▲ 7.1×7 topics
  26. Resistance Mechanisms2▲ 36×2 topics
  27. Empyema2▲ 113×1 topic
  28. Molecular Characterization2▲ 16×4 topics
  29. Pleural Effusion2▲ 113×1 topic
  30. Endoscopic Resection2▲ 27×2 topics
  31. Neoadjuvant Therapy2▲ 11×5 topics
  32. Complications2▲ 5.2×10 topics
  33. Neoadjuvant Chemotherapy2▲ 30×2 topics
  34. Metastasis2▲ 7.1×7 topics
  35. Precision Medicine2▲ 5.3×4 topics
  36. Endovascular Repair2▲ 25×3 topics
  37. Echocardiography2▲ 7.4×6 topics
  38. Lymph Node Dissection2▲ 34×1 topic
  39. Metastatic Gastric Cancer2▲ 34×1 topic
  40. PET Imaging2▲ 11×3 topics

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

By volume in 2022–2025: Lung Cancer Diagnosis and Treatment, Lung Cancer Treatments and Mutations, Pleural and Pulmonary Diseases and Gastric Cancer Management and Outcomes.

Lung Cancer Diagnosis an…6Lung Cancer Diagnosis and Treatment: 6 fractional worksLung Cancer Treatments a…2Lung Cancer Treatments and Mutations: 2 fractional worksPleural and Pulmonary Di…2Pleural and Pulmonary Diseases: 2 fractional worksGastric Cancer Managemen…2Gastric Cancer Management and Outcomes: 2 fractional worksRadiomics and Machine Le…1Radiomics and Machine Learning in Medical Imaging: 1 fractional worksTracheal and airway diso…1Tracheal and airway disorders: 1 fractional worksTuberculosis Research and Epidemiology: 1 fractional worksMedical Imaging and Pathology Studies: 1 fractional worksIntraperitoneal and Appendiceal Malignancies: 1 fractional worksColorectal Cancer Surgical Treatments: 1 fractional works
Pulmonary and Respiratory MedicineRadiology, Nuclear Medicine and ImagingInfectious DiseasesSurgery1 others

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

  1. 1 Lung Cancer Diagnosis and Treatment Pulmonary and Respiratory Medicine 6 works
  2. 2 Lung Cancer Treatments and Mutations Pulmonary and Respiratory Medicine 2 works
  3. 3 Pleural and Pulmonary Diseases Pulmonary and Respiratory Medicine 2 works
  4. 4 Gastric Cancer Management and Outcomes Pulmonary and Respiratory Medicine 2 works
  5. 5 Radiomics and Machine Learning in Medical Imaging Radiology, Nuclear Medicine and Imaging 1 works
  6. 6 Tracheal and airway disorders Pulmonary and Respiratory Medicine 1 works
  7. 7 Tuberculosis Research and Epidemiology Infectious Diseases 1 works
  8. 8 Medical Imaging and Pathology Studies Pulmonary and Respiratory Medicine 1 works
  9. 9 Intraperitoneal and Appendiceal Malignancies Surgery 1 works
  10. 10 Colorectal Cancer Surgical Treatments Oncology 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 available53.0%not open47.0%

World: 28% of research is openly available.

with international co-authors4.0%domestic only96.0%

World: 19% is written across borders.

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

Output in 2018–2022 was 32% 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 Yamagata

All research institutions in Yamagata

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.