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Hospital / health system · Osaka · Japan

Saiseikai Nakatsu Hospital

In research, Saiseikai Nakatsu Hospital stands highest in Medicine (#8,414 of 10,443 worldwide) and Health Sciences (#10,260 of 11,982 worldwide), 2022–2025. Relative to its size it is most specialised in Surgery — Surgery is 10.9× its share of world research.

World rank, 2022–2025
#25,840
of 28,054 · #30,778 all time
Rank in Japan
#922
of 1,070
Research works
559
▲ 31% vs 2013–17
Citations
5.3k
9.5 per fractional work
Top-10% rate
7.3%
record average 16.5%
Open access
45%
world 28%

What is Saiseikai Nakatsu 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 #8,414 of 10,443 7.2%70 #11823
Health SciencesDomain #10,260 of 11,982 7.1%71 #14624

Each strip is that field’s whole ranked pool, with the notch where Saiseikai Nakatsu 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 Saiseikai Nakatsu Hospital specialise in?

Where its research is concentrated relative to its size: Surgery takes 10.9× the share of its output that it takes of world research.

  1. SurgerySubfield · 20.1 works11×
← less than its size predictsmore →

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: 0.04× its world share, 0 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.45× its world share, 2 worksBiochemistry, Geneti…Immunology and Microbiology: 1.60× its world share, 1 worksImmunology and Micro…Neuroscience: 0.15× its world share, 0 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 1.80× its world share, 0 worksPharmacology, Toxico…Computer Science: 0.01× its world share, 0 worksComputer ScienceEngineering: 0.22× its world share, 3 worksEngineeringMaterials Science: 0.06× its world share, 0 worksMaterials ScienceHealth Professions: 0.40× its world share, 1 worksHealth ProfessionsMedicine: 4.62× its world share, 70 worksMedicineNursing: 0.66× its world share, 0 worksNursingVeterinary: 0.78× its world share, 0 worksVeterinaryEconomics, Econometrics and Finance: 0.22× its world share, 0 worksEconomics, Econometr…Psychology: 0.21× its world share, 0 worksPsychologyworld share
more than its size predictsabout as predictedless

Rings at 0.5×, and 2×. Widest outward: Medicine, 4.6×. Every wedge is a field page.

Who are the top researchers at Saiseikai Nakatsu Hospital?

Ranked on the composite score, Akihiko Okada, Takashi Kuwahara and Masahiko Higashikawa lead among researchers whose main affiliation is Saiseikai Nakatsu Hospital.

  1. 1 Akihiko Okada Japan · #681,698 worldwide 69 citations · 31 works
  2. 2 Takashi Kuwahara Japan · #1,105,991 worldwide 53 citations · 51 works
  3. 3 Masahiko Higashikawa Japan · #1,112,569 worldwide 2 citations · 15 works
  4. 4 Amane Kozuki Japan · #1,224,214 worldwide 23 citations · 18 works
  5. 5 Mikio Fujita Japan · #1,256,795 worldwide 20 citations · 17 works
  6. 6 Atsushi Suzuki Japan · #1,341,375 worldwide 9 citations · 29 works
  7. 7 Hirotsugu Ohashi Japan · #1,517,667 worldwide 6 citations · 25 works
  8. 8 Ryosuke Yamamura Japan · #1,596,247 worldwide 11 citations · 17 works
All ranked researchers at Saiseikai Nakatsu Hospital

Which keywords describe research at Saiseikai Nakatsu Hospital?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Epidemiology, Inflammation, Chemotherapy, Atherosclerosis, Guidelines, Autoantibodies, Clinical Practice Guidelines and Complications.

▲ 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. Epidemiology11▲ 3.6×43 topics
  2. Inflammation9▲ 5.3×29 topics
  3. Chemotherapy5▲ 8.5×11 topics
  4. Atherosclerosis4▲ 18×4 topics
  5. Guidelines4▲ 11×7 topics
  6. Autoantibodies4▲ 19×7 topics
  7. Clinical Practice Guidelines3▲ 7.8×12 topics
  8. Complications3▲ 8.4×9 topics
  9. Risk Factors3▲ 3.6×11 topics
  10. Cancer3▲ 2.9×16 topics
  11. Cardiovascular Risk3▲ 13×6 topics
  12. Percutaneous Coronary Intervention3▲ 28×4 topics
  13. Rheumatoid Arthritis3▲ 38×2 topics
  14. Patient Satisfaction3▲ 11×2 topics
  15. Survival Analysis3▲ 13×6 topics
  16. Revision Surgery3▲ 26×2 topics
  17. Total Hip Replacement3▲ 26×2 topics
  18. Arthroplasty2▲ 32×2 topics
  19. Cytokines2▲ 11×3 topics
  20. Health-related Quality of Life2▲ 14×3 topics
  21. Biological Therapy2▲ 54×1 topic
  22. Clinical Trials2▲ 4.5×7 topics
  23. Coronary Stents2▲ 70×1 topic
  24. Diagnosis2▲ 3.3×15 topics
  25. Disease-Modifying Antirheumatic Drugs2▲ 61×1 topic
  26. Myocardial Revascularization2▲ 70×1 topic
  27. Neoadjuvant Therapy2▲ 13×4 topics
  28. Prognostic Factors2▲ 6.6×10 topics
  29. Surgery2▲ 8.2×4 topics
  30. Endoscopic Resection2▲ 28×2 topics
  31. Outcomes2▲ 33×1 topic
  32. Total Knee Replacement2▲ 41×1 topic
  33. Radiotherapy2▲ 6.7×9 topics
  34. Angioplasty2▲ 38×2 topics
  35. Metastasis2▲ 6.8×6 topics
  36. Revascularization2▲ 15×2 topics
  37. Spinal Fusion2▲ 24×2 topics
  38. Stroke Prevention2▲ 19×2 topics
  39. Preoperative Chemoradiotherapy2▲ 28×2 topics
  40. Gastric Cancer2▲ 18×3 topics

Which research topics does Saiseikai Nakatsu Hospital publish most on?

By volume in 2022–2025: Coronary Interventions and Diagnostics, Rheumatoid Arthritis Research and Therapies, Total Knee Arthroplasty Outcomes and Peripheral Artery Disease Management.

  1. 1 Coronary Interventions and Diagnostics Surgery 2 works
  2. 2 Rheumatoid Arthritis Research and Therapies Rheumatology 2 works
  3. 3 Total Knee Arthroplasty Outcomes Surgery 2 works
  4. 4 Peripheral Artery Disease Management Surgery 2 works
  5. 5 Osteoarthritis Treatment and Mechanisms Rheumatology 1 works
  6. 6 Esophageal Cancer Research and Treatment Surgery 1 works
  7. 7 Knee injuries and reconstruction techniques Surgery 1 works
  8. 8 Multiple Sclerosis Research Studies Pathology and Forensic Medicine 1 works
  9. 9 Spine and Intervertebral Disc Pathology Pathology and Forensic Medicine 1 works
  10. 10 Cerebrovascular and Carotid Artery Diseases Pulmonary and Respiratory Medicine 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 available45.0%not open55.0%

World: 28% of research is openly available.

with international co-authors5.2%domestic only94.8%

World: 19% is written across borders.

How has Saiseikai Nakatsu Hospital's research output changed?

Output in 2018–2022 was 31% 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 Osaka

All research institutions in Osaka

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.