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Hospital / health system · Tokyo · Japan

Tokyo Metropolitan Ohtsuka Hospital

In research, Tokyo Metropolitan Ohtsuka Hospital stands highest in Medicine (#16,870 of 17,978 worldwide) and Health Sciences (#19,621 of 20,462 worldwide), over all time.

byouin.metro.tokyo.jp/ohtsuka/english/index.htmlROR OpenAlex
World rank, all time
#40,255
of 42,892
Rank in Japan
#1,902
of 2,112
Research works
319
▼ 27% vs 2013–17
Citations
2.6k
8.2 per fractional work
Top-10% rate
6.5%
record average 16.5%
Open access
35%
world 28%

What is Tokyo Metropolitan Ohtsuka Hospital known for in research?

The fields where it stands highest, over all time, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorks
MedicineField #16,870 of 17,978 4.1%249
Health SciencesDomain #19,621 of 20,462 4.0%259

Each strip is that field’s whole ranked pool, with the notch where Tokyo Metropolitan Ohtsuka 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.

Biochemistry, Genetics and Molecular Biology: 0.80× its world share, 1 worksBiochemistry, Geneti…Immunology and Microbiology: 0.86× its world share, 0 worksImmunology and Micro…Neuroscience: 1.12× its world share, 0 worksNeuroscienceComputer Science: 0.07× its world share, 0 worksComputer ScienceDentistry: 2.82× its world share, 0 worksDentistryHealth Professions: 1.26× its world share, 1 worksHealth ProfessionsMedicine: 4.17× its world share, 20 worksMedicineNursing: 11.87× its world share, 1 worksNursingArts and Humanities: 0.16× its world share, 0 worksArts and HumanitiesPsychology: 0.37× its world share, 0 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: Nursing, 11.9×. Every wedge is a field page.

Who are the top researchers at Tokyo Metropolitan Ohtsuka Hospital?

Ranked on the composite score, Masayoshi Arizawa, Ryoji Takazawa and Toshiyuki Shigematsu lead among researchers whose main affiliation is Tokyo Metropolitan Ohtsuka Hospital.

  1. 1 Masayoshi Arizawa Japan · #522,361 worldwide 33 citations · 22 works
  2. 2 Ryoji Takazawa Japan · #1,016,903 worldwide 2 citations · 16 works
  3. 3 Toshiyuki Shigematsu Japan · #1,313,703 worldwide 8 citations · 21 works
  4. 4 Aki Ito Japan · #1,402,061 worldwide 9 citations · 17 works
  5. 5 Tetsunori Yoshimura Japan · #1,464,048 worldwide 1 citations · 17 works
  6. 6 Haruya Koshiishi Japan · #1,503,796 worldwide 0 citations · 18 works
All ranked researchers at Tokyo Metropolitan Ohtsuka Hospital

Which keywords describe research at Tokyo Metropolitan Ohtsuka Hospital?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Treatment, Metabolic Syndrome, Management, Molecular Characterization, Prognosis, Epidemiology, Diagnosis 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 26 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 26 words, with their numbers
  1. Epidemiology3▲ 2.7×17 topics
  2. Treatment3▲ 8.8×10 topics
  3. Management2▲ 13×5 topics
  4. Metabolic Syndrome2▲ 12×7 topics
  5. Inflammation2▲ 4.0×13 topics
  6. Diagnosis2▲ 7.2×6 topics
  7. Molecular Characterization2▲ 38×5 topics
  8. Prognosis2▲ 20×4 topics
  9. Immunotherapy2▲ 8.6×5 topics
  10. Prognostic Factors2▲ 14×6 topics
  11. Risk Factors2▲ 5.6×2 topics
  12. Prevalence1▲ 15×3 topics
  13. Chemotherapy1▲ 7.9×5 topics
  14. Medical Therapy1▲ 128×2 topics
  15. Public Health1▲ 3.6×3 topics
  16. Breast Cancer1▲ 20×4 topics
  17. Calcium Oxalate1▲ 202×1 topic
  18. Cancer Risk1▲ 22×4 topics
  19. Urolithiasis1▲ 202×1 topic
  20. Genetic Mutations1▲ 10×5 topics
  21. Hypertension1▲ 16×4 topics
  22. Surgery1▲ 13×4 topics
  23. Therapy1▲ 22×3 topics
  24. Cancer1▲ 3.2×4 topics
  25. Cancer Cachexia1▲ 47×1 topic
  26. Sarcopenia1▲ 47×1 topic

Which research topics does Tokyo Metropolitan Ohtsuka Hospital publish most on?

By volume in 2022–2025: Kidney Stones and Urolithiasis Treatments, Nutrition and Health in Aging, Pediatric Urology and Nephrology Studies and Ureteral procedures and complications.

Kidney Stones and Urolithiasis Treatments: 1 fractional worksNutrition and Health in Aging: 1 fractional worksPediatric Urology and Ne…1Pediatric Urology and Nephrology Studies: 1 fractional worksUreteral procedures and …1Ureteral procedures and complications: 1 fractional worksRenal cell carcinoma treatment: 1 fractional worksBRCA gene mutations in cancer: 0 fractional worksBladder and Urothelial C…0Bladder and Urothelial Cancer Treatments: 0 fractional worksVitamin K Research Studies: 0 fractional worksVitamin C and Antioxidants Research: 0 fractional worksCancer Risks and Factors0Cancer Risks and Factors: 0 fractional works
Pulmonary and Respiratory MedicinePhysiologyPediatrics, Perinatology and Child HealthObstetrics and Gynecology4 others

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

  1. 1 Kidney Stones and Urolithiasis Treatments Pulmonary and Respiratory Medicine 1 works
  2. 2 Nutrition and Health in Aging Physiology 1 works
  3. 3 Pediatric Urology and Nephrology Studies Pediatrics, Perinatology and Child Health 1 works
  4. 4 Ureteral procedures and complications Obstetrics and Gynecology 1 works
  5. 5 Renal cell carcinoma treatment Pulmonary and Respiratory Medicine 1 works
  6. 6 BRCA gene mutations in cancer Genetics 0 works
  7. 7 Bladder and Urothelial Cancer Treatments Surgery 0 works
  8. 8 Vitamin K Research Studies Nutrition and Dietetics 0 works
  9. 9 Vitamin C and Antioxidants Research Nutrition and Dietetics 0 works
  10. 10 Cancer Risks and Factors Oncology 0 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 available34.6%not open65.4%

World: 28% of research is openly available.

with international co-authors5.3%domestic only94.7%

World: 19% is written across borders.

How has Tokyo Metropolitan Ohtsuka Hospital's research output changed?

Output in 2018–2022 was 27% lower 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 Tokyo

All research institutions in Tokyo

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.